20174780498

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^2\times {\mathrm{487}}^1$

素因数の和:839

約数の個数: 48

約数和(自身を含む): 32810769792

約数和(自身を除く): 12635989294

約数列:

[1, 2, 17, 34, 71, 131, 142, 262, 487, 974, 1207, 2227, 2414, 4454, 8279, 9301, 16558, 17161, 18602, 34322, 34577, 63797, 69154, 127594, 158117, 291737, 316234, 583474, 587809, 1084549, 1175618, 1218431, 2169098, 2436862, 4529587, 8357407, 9059174, 16714814, 20713327, 41426654, 77002979, 142075919, 154005958, 284151838, 593375897, 1186751794, 10087390249, 20174780498]

約数ペア:

[(1, 20174780498), (2, 10087390249), (17, 1186751794), (34, 593375897), (71, 284151838), (131, 154005958), (142, 142075919), (262, 77002979), (487, 41426654), (974, 20713327), (1207, 16714814), (2227, 9059174), (2414, 8357407), (4454, 4529587), (8279, 2436862), (9301, 2169098), (16558, 1218431), (17161, 1175618), (18602, 1084549), (34322, 587809), (34577, 583474), (63797, 316234), (69154, 291737), (127594, 158117)]