20199709904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1\times {\mathrm{3511}}^1$

素因数の和:3964

約数の個数: 80

約数和(自身を含む): 43275313536

約数和(自身を除く): 23075603632

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 97, 176, 194, 337, 388, 674, 776, 1067, 1348, 1552, 2134, 2696, 3511, 3707, 4268, 5392, 7022, 7414, 8536, 14044, 14828, 17072, 28088, 29656, 32689, 38621, 56176, 59312, 65378, 77242, 130756, 154484, 261512, 308968, 340567, 359579, 523024, 617936, 681134, 719158, 1183207, 1362268, 1438316, 2366414, 2724536, 2876632, 3746237, 4732828, 5449072, 5753264, 7492474, 9465656, 13015277, 14984948, 18931312, 26030554, 29969896, 52061108, 59939792, 104122216, 114771079, 208244432, 229542158, 459084316, 918168632, 1262481869, 1836337264, 2524963738, 5049927476, 10099854952, 20199709904]

約数ペア:

[(1, 20199709904), (2, 10099854952), (4, 5049927476), (8, 2524963738), (11, 1836337264), (16, 1262481869), (22, 918168632), (44, 459084316), (88, 229542158), (97, 208244432), (176, 114771079), (194, 104122216), (337, 59939792), (388, 52061108), (674, 29969896), (776, 26030554), (1067, 18931312), (1348, 14984948), (1552, 13015277), (2134, 9465656), (2696, 7492474), (3511, 5753264), (3707, 5449072), (4268, 4732828), (5392, 3746237), (7022, 2876632), (7414, 2724536), (8536, 2366414), (14044, 1438316), (14828, 1362268), (17072, 1183207), (28088, 719158), (29656, 681134), (32689, 617936), (38621, 523024), (56176, 359579), (59312, 340567), (65378, 308968), (77242, 261512), (130756, 154484)]