20167945840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{12821}}^1$

素因数の和:12947

約数の個数: 120

約数和(自身を含む): 54623566368

約数和(自身を除く): 34455620528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2809, 2968, 3710, 4240, 5618, 5936, 7420, 11236, 12821, 14045, 14840, 19663, 22472, 25642, 28090, 29680, 39326, 44944, 51284, 56180, 64105, 78652, 89747, 98315, 102568, 112360, 128210, 157304, 179494, 196630, 205136, 224720, 256420, 314608, 358988, 393260, 448735, 512840, 679513, 717976, 786520, 897470, 1025680, 1359026, 1435952, 1573040, 1794940, 2718052, 3397565, 3589880, 4756591, 5436104, 6795130, 7179760, 9513182, 10872208, 13590260, 19026364, 23782955, 27180520, 36014189, 38052728, 47565910, 54361040, 72028378, 76105456, 95131820, 144056756, 180070945, 190263640, 252099323, 288113512, 360141890, 380527280, 504198646, 576227024, 720283780, 1008397292, 1260496615, 1440567560, 2016794584, 2520993230, 2881135120, 4033589168, 5041986460, 10083972920, 20167945840]

約数ペア:

[(1, 20167945840), (2, 10083972920), (4, 5041986460), (5, 4033589168), (7, 2881135120), (8, 2520993230), (10, 2016794584), (14, 1440567560), (16, 1260496615), (20, 1008397292), (28, 720283780), (35, 576227024), (40, 504198646), (53, 380527280), (56, 360141890), (70, 288113512), (80, 252099323), (106, 190263640), (112, 180070945), (140, 144056756), (212, 95131820), (265, 76105456), (280, 72028378), (371, 54361040), (424, 47565910), (530, 38052728), (560, 36014189), (742, 27180520), (848, 23782955), (1060, 19026364), (1484, 13590260), (1855, 10872208), (2120, 9513182), (2809, 7179760), (2968, 6795130), (3710, 5436104), (4240, 4756591), (5618, 3589880), (5936, 3397565), (7420, 2718052), (11236, 1794940), (12821, 1573040), (14045, 1435952), (14840, 1359026), (19663, 1025680), (22472, 897470), (25642, 786520), (28090, 717976), (29680, 679513), (39326, 512840), (44944, 448735), (51284, 393260), (56180, 358988), (64105, 314608), (78652, 256420), (89747, 224720), (98315, 205136), (102568, 196630), (112360, 179494), (128210, 157304)]