20427386928

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1567}}^1\times {\mathrm{1607}}^1$

素因数の和:3211

約数の個数: 120

約数和(自身を含む): 57214338048

約数和(自身を除く): 36786951120

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 1567, 1607, 2028, 2704, 3134, 3214, 4056, 4701, 4821, 6268, 6428, 8112, 9402, 9642, 12536, 12856, 18804, 19284, 20371, 20891, 25072, 25712, 37608, 38568, 40742, 41782, 61113, 62673, 75216, 77136, 81484, 83564, 122226, 125346, 162968, 167128, 244452, 250692, 264823, 271583, 325936, 334256, 488904, 501384, 529646, 543166, 794469, 814749, 977808, 1002768, 1059292, 1086332, 1588938, 1629498, 2118584, 2172664, 2518169, 3177876, 3258996, 4237168, 4345328, 5036338, 6355752, 6517992, 7554507, 10072676, 12711504, 13035984, 15109014, 20145352, 30218028, 32736197, 40290704, 60436056, 65472394, 98208591, 120872112, 130944788, 196417182, 261889576, 392834364, 425570561, 523779152, 785668728, 851141122, 1276711683, 1571337456, 1702282244, 2553423366, 3404564488, 5106846732, 6809128976, 10213693464, 20427386928]

約数ペア:

[(1, 20427386928), (2, 10213693464), (3, 6809128976), (4, 5106846732), (6, 3404564488), (8, 2553423366), (12, 1702282244), (13, 1571337456), (16, 1276711683), (24, 851141122), (26, 785668728), (39, 523779152), (48, 425570561), (52, 392834364), (78, 261889576), (104, 196417182), (156, 130944788), (169, 120872112), (208, 98208591), (312, 65472394), (338, 60436056), (507, 40290704), (624, 32736197), (676, 30218028), (1014, 20145352), (1352, 15109014), (1567, 13035984), (1607, 12711504), (2028, 10072676), (2704, 7554507), (3134, 6517992), (3214, 6355752), (4056, 5036338), (4701, 4345328), (4821, 4237168), (6268, 3258996), (6428, 3177876), (8112, 2518169), (9402, 2172664), (9642, 2118584), (12536, 1629498), (12856, 1588938), (18804, 1086332), (19284, 1059292), (20371, 1002768), (20891, 977808), (25072, 814749), (25712, 794469), (37608, 543166), (38568, 529646), (40742, 501384), (41782, 488904), (61113, 334256), (62673, 325936), (75216, 271583), (77136, 264823), (81484, 250692), (83564, 244452), (122226, 167128), (125346, 162968)]