20671570478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 37365245568

約数和(自身を除く): 16693675090

約数列:

[1, 2, 13, 17, 26, 34, 37, 74, 83, 97, 157, 166, 194, 221, 314, 442, 481, 629, 962, 1079, 1258, 1261, 1411, 1649, 2041, 2158, 2522, 2669, 2822, 3071, 3298, 3589, 4082, 5338, 5809, 6142, 7178, 8051, 8177, 11618, 13031, 15229, 16102, 16354, 18343, 21437, 26062, 30458, 34697, 36686, 39923, 42874, 46657, 52207, 61013, 69394, 75517, 79846, 93314, 98753, 104414, 104663, 122026, 136867, 151034, 169403, 197506, 197977, 209326, 221527, 258893, 273734, 297887, 338806, 395954, 443054, 482147, 517786, 563473, 595774, 678691, 793169, 964294, 1126946, 1264007, 1283789, 1357382, 1586338, 1779271, 2528014, 2567578, 2879851, 3365609, 3558542, 3872531, 5064079, 5759702, 6267911, 6731218, 7325149, 7745062, 8196499, 9579041, 10128158, 12535822, 14650298, 16392998, 16432091, 19158082, 21488119, 32864182, 42976238, 46768259, 65833027, 93536518, 106554487, 124527533, 131666054, 213108974, 249055066, 279345547, 558691094, 607987367, 795060403, 1215974734, 1590120806, 10335785239, 20671570478]

約数ペア:

[(1, 20671570478), (2, 10335785239), (13, 1590120806), (17, 1215974734), (26, 795060403), (34, 607987367), (37, 558691094), (74, 279345547), (83, 249055066), (97, 213108974), (157, 131666054), (166, 124527533), (194, 106554487), (221, 93536518), (314, 65833027), (442, 46768259), (481, 42976238), (629, 32864182), (962, 21488119), (1079, 19158082), (1258, 16432091), (1261, 16392998), (1411, 14650298), (1649, 12535822), (2041, 10128158), (2158, 9579041), (2522, 8196499), (2669, 7745062), (2822, 7325149), (3071, 6731218), (3298, 6267911), (3589, 5759702), (4082, 5064079), (5338, 3872531), (5809, 3558542), (6142, 3365609), (7178, 2879851), (8051, 2567578), (8177, 2528014), (11618, 1779271), (13031, 1586338), (15229, 1357382), (16102, 1283789), (16354, 1264007), (18343, 1126946), (21437, 964294), (26062, 793169), (30458, 678691), (34697, 595774), (36686, 563473), (39923, 517786), (42874, 482147), (46657, 443054), (52207, 395954), (61013, 338806), (69394, 297887), (75517, 273734), (79846, 258893), (93314, 221527), (98753, 209326), (104414, 197977), (104663, 197506), (122026, 169403), (136867, 151034)]