20145556476

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{877}}^1$

素因数の和:1204

約数の個数: 144

約数和(自身を含む): 53154541440

約数和(自身を除く): 33008984964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 79, 82, 123, 158, 164, 197, 237, 246, 316, 369, 394, 474, 492, 591, 711, 738, 788, 877, 948, 1182, 1422, 1476, 1754, 1773, 2364, 2631, 2844, 3239, 3508, 3546, 5262, 6478, 7092, 7893, 8077, 9717, 10524, 12956, 15563, 15786, 16154, 19434, 24231, 29151, 31126, 31572, 32308, 35957, 38868, 46689, 48462, 58302, 62252, 69283, 71914, 72693, 93378, 96924, 107871, 116604, 138566, 140067, 143828, 145386, 172769, 186756, 207849, 215742, 277132, 280134, 290772, 323613, 345538, 415698, 431484, 518307, 560268, 623547, 638083, 647226, 691076, 831396, 1036614, 1247094, 1276166, 1294452, 1554921, 1914249, 2073228, 2494188, 2552332, 2840603, 3109842, 3828498, 5681206, 5742747, 6219684, 7083529, 7656996, 8521809, 11362412, 11485494, 13648751, 14167058, 17043618, 21250587, 22970988, 25565427, 27297502, 28334116, 34087236, 40946253, 42501174, 51130854, 54595004, 63751761, 81892506, 85002348, 102261708, 122838759, 127503522, 163785012, 245677518, 255007044, 491355036, 559598791, 1119197582, 1678796373, 2238395164, 3357592746, 5036389119, 6715185492, 10072778238, 20145556476]

約数ペア:

[(1, 20145556476), (2, 10072778238), (3, 6715185492), (4, 5036389119), (6, 3357592746), (9, 2238395164), (12, 1678796373), (18, 1119197582), (36, 559598791), (41, 491355036), (79, 255007044), (82, 245677518), (123, 163785012), (158, 127503522), (164, 122838759), (197, 102261708), (237, 85002348), (246, 81892506), (316, 63751761), (369, 54595004), (394, 51130854), (474, 42501174), (492, 40946253), (591, 34087236), (711, 28334116), (738, 27297502), (788, 25565427), (877, 22970988), (948, 21250587), (1182, 17043618), (1422, 14167058), (1476, 13648751), (1754, 11485494), (1773, 11362412), (2364, 8521809), (2631, 7656996), (2844, 7083529), (3239, 6219684), (3508, 5742747), (3546, 5681206), (5262, 3828498), (6478, 3109842), (7092, 2840603), (7893, 2552332), (8077, 2494188), (9717, 2073228), (10524, 1914249), (12956, 1554921), (15563, 1294452), (15786, 1276166), (16154, 1247094), (19434, 1036614), (24231, 831396), (29151, 691076), (31126, 647226), (31572, 638083), (32308, 623547), (35957, 560268), (38868, 518307), (46689, 431484), (48462, 415698), (58302, 345538), (62252, 323613), (69283, 290772), (71914, 280134), (72693, 277132), (93378, 215742), (96924, 207849), (107871, 186756), (116604, 172769), (138566, 145386), (140067, 143828)]