20672226880

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1\times {\mathrm{1877}}^1$

素因数の和:2292

約数の個数: 112

約数和(自身を含む): 49822949376

約数和(自身を除く): 29150722496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 271, 320, 508, 542, 635, 1016, 1084, 1270, 1355, 1877, 2032, 2168, 2540, 2710, 3754, 4064, 4336, 5080, 5420, 7508, 8128, 8672, 9385, 10160, 10840, 15016, 17344, 18770, 20320, 21680, 30032, 34417, 37540, 40640, 43360, 60064, 68834, 75080, 86720, 120128, 137668, 150160, 172085, 238379, 275336, 300320, 344170, 476758, 508667, 550672, 600640, 688340, 953516, 1017334, 1101344, 1191895, 1376680, 1907032, 2034668, 2202688, 2383790, 2543335, 2753360, 3814064, 4069336, 4767580, 5086670, 5506720, 7628128, 8138672, 9535160, 10173340, 11013440, 15256256, 16277344, 19070320, 20346680, 32554688, 38140640, 40693360, 64600709, 76281280, 81386720, 129201418, 162773440, 258402836, 323003545, 516805672, 646007090, 1033611344, 1292014180, 2067222688, 2584028360, 4134445376, 5168056720, 10336113440, 20672226880]

約数ペア:

[(1, 20672226880), (2, 10336113440), (4, 5168056720), (5, 4134445376), (8, 2584028360), (10, 2067222688), (16, 1292014180), (20, 1033611344), (32, 646007090), (40, 516805672), (64, 323003545), (80, 258402836), (127, 162773440), (160, 129201418), (254, 81386720), (271, 76281280), (320, 64600709), (508, 40693360), (542, 38140640), (635, 32554688), (1016, 20346680), (1084, 19070320), (1270, 16277344), (1355, 15256256), (1877, 11013440), (2032, 10173340), (2168, 9535160), (2540, 8138672), (2710, 7628128), (3754, 5506720), (4064, 5086670), (4336, 4767580), (5080, 4069336), (5420, 3814064), (7508, 2753360), (8128, 2543335), (8672, 2383790), (9385, 2202688), (10160, 2034668), (10840, 1907032), (15016, 1376680), (17344, 1191895), (18770, 1101344), (20320, 1017334), (21680, 953516), (30032, 688340), (34417, 600640), (37540, 550672), (40640, 508667), (43360, 476758), (60064, 344170), (68834, 300320), (75080, 275336), (86720, 238379), (120128, 172085), (137668, 150160)]