20163858832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{24181}}^1$

素因数の和:24432

約数の個数: 80

約数和(自身を含む): 44498749120

約数和(自身を除く): 24334890288

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 211, 247, 304, 422, 494, 844, 988, 1688, 1976, 2743, 3376, 3952, 4009, 5486, 8018, 10972, 16036, 21944, 24181, 32072, 43888, 48362, 52117, 64144, 96724, 104234, 193448, 208468, 314353, 386896, 416936, 459439, 628706, 833872, 918878, 1257412, 1837756, 2514824, 3675512, 5029648, 5102191, 5972707, 7351024, 10204382, 11945414, 20408764, 23890828, 40817528, 47781656, 66328483, 81635056, 95563312, 96941629, 132656966, 193883258, 265313932, 387766516, 530627864, 775533032, 1061255728, 1260241177, 1551066064, 2520482354, 5040964708, 10081929416, 20163858832]

約数ペア:

[(1, 20163858832), (2, 10081929416), (4, 5040964708), (8, 2520482354), (13, 1551066064), (16, 1260241177), (19, 1061255728), (26, 775533032), (38, 530627864), (52, 387766516), (76, 265313932), (104, 193883258), (152, 132656966), (208, 96941629), (211, 95563312), (247, 81635056), (304, 66328483), (422, 47781656), (494, 40817528), (844, 23890828), (988, 20408764), (1688, 11945414), (1976, 10204382), (2743, 7351024), (3376, 5972707), (3952, 5102191), (4009, 5029648), (5486, 3675512), (8018, 2514824), (10972, 1837756), (16036, 1257412), (21944, 918878), (24181, 833872), (32072, 628706), (43888, 459439), (48362, 416936), (52117, 386896), (64144, 314353), (96724, 208468), (104234, 193448)]