20481277572

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{1217}}^1$

素因数の和:1547

約数の個数: 192

約数和(自身を含む): 61583639040

約数和(自身を除く): 41102361468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 113, 126, 189, 197, 226, 252, 339, 378, 394, 452, 591, 678, 756, 788, 791, 1017, 1182, 1217, 1356, 1379, 1582, 1773, 2034, 2364, 2373, 2434, 2758, 3051, 3164, 3546, 3651, 4068, 4137, 4746, 4868, 5319, 5516, 6102, 7092, 7119, 7302, 8274, 8519, 9492, 10638, 10953, 12204, 12411, 14238, 14604, 16548, 17038, 21276, 21357, 21906, 22261, 24822, 25557, 28476, 32859, 34076, 37233, 42714, 43812, 44522, 49644, 51114, 65718, 66783, 74466, 76671, 85428, 89044, 102228, 131436, 133566, 137521, 148932, 153342, 155827, 200349, 230013, 239749, 267132, 275042, 306684, 311654, 400698, 412563, 460026, 467481, 479498, 550084, 601047, 623308, 719247, 801396, 825126, 920052, 934962, 958996, 962647, 1202094, 1237689, 1402443, 1438494, 1650252, 1678243, 1869924, 1925294, 2157741, 2404188, 2475378, 2804886, 2876988, 2887941, 3356486, 3713067, 3850588, 4207329, 4315482, 4950756, 5034729, 5609772, 5775882, 6473223, 6712972, 7426134, 8414658, 8630964, 8663823, 10069458, 11551764, 12946446, 14852268, 15104187, 16829316, 17327646, 20138916, 25892892, 25991469, 27091637, 30208374, 34655292, 45312561, 51982938, 54183274, 60416748, 81274911, 90625122, 103965876, 108366548, 162549822, 181250244, 189641459, 243824733, 325099644, 379282918, 487649466, 568924377, 731474199, 758565836, 975298932, 1137848754, 1462948398, 1706773131, 2275697508, 2925896796, 3413546262, 5120319393, 6827092524, 10240638786, 20481277572]

約数ペア:

[(1, 20481277572), (2, 10240638786), (3, 6827092524), (4, 5120319393), (6, 3413546262), (7, 2925896796), (9, 2275697508), (12, 1706773131), (14, 1462948398), (18, 1137848754), (21, 975298932), (27, 758565836), (28, 731474199), (36, 568924377), (42, 487649466), (54, 379282918), (63, 325099644), (84, 243824733), (108, 189641459), (113, 181250244), (126, 162549822), (189, 108366548), (197, 103965876), (226, 90625122), (252, 81274911), (339, 60416748), (378, 54183274), (394, 51982938), (452, 45312561), (591, 34655292), (678, 30208374), (756, 27091637), (788, 25991469), (791, 25892892), (1017, 20138916), (1182, 17327646), (1217, 16829316), (1356, 15104187), (1379, 14852268), (1582, 12946446), (1773, 11551764), (2034, 10069458), (2364, 8663823), (2373, 8630964), (2434, 8414658), (2758, 7426134), (3051, 6712972), (3164, 6473223), (3546, 5775882), (3651, 5609772), (4068, 5034729), (4137, 4950756), (4746, 4315482), (4868, 4207329), (5319, 3850588), (5516, 3713067), (6102, 3356486), (7092, 2887941), (7119, 2876988), (7302, 2804886), (8274, 2475378), (8519, 2404188), (9492, 2157741), (10638, 1925294), (10953, 1869924), (12204, 1678243), (12411, 1650252), (14238, 1438494), (14604, 1402443), (16548, 1237689), (17038, 1202094), (21276, 962647), (21357, 958996), (21906, 934962), (22261, 920052), (24822, 825126), (25557, 801396), (28476, 719247), (32859, 623308), (34076, 601047), (37233, 550084), (42714, 479498), (43812, 467481), (44522, 460026), (49644, 412563), (51114, 400698), (65718, 311654), (66783, 306684), (74466, 275042), (76671, 267132), (85428, 239749), (89044, 230013), (102228, 200349), (131436, 155827), (133566, 153342), (137521, 148932)]