20807764952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:601

約数の個数: 128

約数和(自身を含む): 43700912640

約数和(自身を除く): 22893147688

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 71, 104, 134, 137, 142, 268, 274, 284, 307, 536, 548, 568, 614, 871, 923, 1096, 1228, 1742, 1781, 1846, 2456, 3484, 3562, 3692, 3991, 4757, 6968, 7124, 7384, 7982, 9179, 9514, 9727, 14248, 15964, 18358, 19028, 19454, 20569, 21797, 31928, 36716, 38056, 38908, 41138, 42059, 43594, 61841, 73432, 77816, 82276, 84118, 87188, 119327, 123682, 126451, 164552, 168236, 174376, 238654, 247364, 252902, 267397, 283361, 336472, 477308, 494728, 505804, 534794, 546767, 566722, 651709, 954616, 1011608, 1069588, 1093534, 1133444, 1303418, 1460399, 2139176, 2187068, 2266888, 2606836, 2817953, 2920798, 2986189, 4374136, 5213672, 5635906, 5841596, 5972378, 8472217, 11271812, 11683192, 11944756, 16944434, 18985187, 22543624, 23889512, 33888868, 36633389, 37970374, 38820457, 67777736, 73266778, 75940748, 77640914, 146533556, 151881496, 155281828, 200074663, 293067112, 310563656, 400149326, 800298652, 1600597304, 2600970619, 5201941238, 10403882476, 20807764952]

約数ペア:

[(1, 20807764952), (2, 10403882476), (4, 5201941238), (8, 2600970619), (13, 1600597304), (26, 800298652), (52, 400149326), (67, 310563656), (71, 293067112), (104, 200074663), (134, 155281828), (137, 151881496), (142, 146533556), (268, 77640914), (274, 75940748), (284, 73266778), (307, 67777736), (536, 38820457), (548, 37970374), (568, 36633389), (614, 33888868), (871, 23889512), (923, 22543624), (1096, 18985187), (1228, 16944434), (1742, 11944756), (1781, 11683192), (1846, 11271812), (2456, 8472217), (3484, 5972378), (3562, 5841596), (3692, 5635906), (3991, 5213672), (4757, 4374136), (6968, 2986189), (7124, 2920798), (7384, 2817953), (7982, 2606836), (9179, 2266888), (9514, 2187068), (9727, 2139176), (14248, 1460399), (15964, 1303418), (18358, 1133444), (19028, 1093534), (19454, 1069588), (20569, 1011608), (21797, 954616), (31928, 651709), (36716, 566722), (38056, 546767), (38908, 534794), (41138, 505804), (42059, 494728), (43594, 477308), (61841, 336472), (73432, 283361), (77816, 267397), (82276, 252902), (84118, 247364), (87188, 238654), (119327, 174376), (123682, 168236), (126451, 164552)]