20487528

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 58556160

約数和(自身を除く): 38068632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 67, 72, 93, 124, 134, 137, 186, 201, 248, 268, 274, 279, 372, 402, 411, 536, 548, 558, 603, 744, 804, 822, 1096, 1116, 1206, 1233, 1608, 1644, 2077, 2232, 2412, 2466, 3288, 4154, 4247, 4824, 4932, 6231, 8308, 8494, 9179, 9864, 12462, 12741, 16616, 16988, 18358, 18693, 24924, 25482, 27537, 33976, 36716, 37386, 38223, 49848, 50964, 55074, 73432, 74772, 76446, 82611, 101928, 110148, 149544, 152892, 165222, 220296, 284549, 305784, 330444, 569098, 660888, 853647, 1138196, 1707294, 2276392, 2560941, 3414588, 5121882, 6829176, 10243764, 20487528]

約数ペア:

[(1, 20487528), (2, 10243764), (3, 6829176), (4, 5121882), (6, 3414588), (8, 2560941), (9, 2276392), (12, 1707294), (18, 1138196), (24, 853647), (31, 660888), (36, 569098), (62, 330444), (67, 305784), (72, 284549), (93, 220296), (124, 165222), (134, 152892), (137, 149544), (186, 110148), (201, 101928), (248, 82611), (268, 76446), (274, 74772), (279, 73432), (372, 55074), (402, 50964), (411, 49848), (536, 38223), (548, 37386), (558, 36716), (603, 33976), (744, 27537), (804, 25482), (822, 24924), (1096, 18693), (1116, 18358), (1206, 16988), (1233, 16616), (1608, 12741), (1644, 12462), (2077, 9864), (2232, 9179), (2412, 8494), (2466, 8308), (3288, 6231), (4154, 4932), (4247, 4824)]