20007788554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{677}}^1\times {\mathrm{991}}^1$

素因数の和:1751

約数の個数: 64

約数和(自身を含む): 34349801472

約数和(自身を除く): 14342012918

約数列:

[1, 2, 13, 26, 31, 37, 62, 74, 403, 481, 677, 806, 962, 991, 1147, 1354, 1982, 2294, 8801, 12883, 14911, 17602, 20987, 25049, 25766, 29822, 30721, 36667, 41974, 50098, 61442, 73334, 272831, 325637, 399373, 476671, 545662, 651274, 670907, 776519, 798746, 953342, 1136677, 1341814, 1553038, 2273354, 8721791, 10094747, 14776801, 17443582, 20189494, 20798117, 24823559, 29553602, 41596234, 49647118, 270375521, 322706267, 540751042, 645412534, 769530329, 1539060658, 10003894277, 20007788554]

約数ペア:

[(1, 20007788554), (2, 10003894277), (13, 1539060658), (26, 769530329), (31, 645412534), (37, 540751042), (62, 322706267), (74, 270375521), (403, 49647118), (481, 41596234), (677, 29553602), (806, 24823559), (962, 20798117), (991, 20189494), (1147, 17443582), (1354, 14776801), (1982, 10094747), (2294, 8721791), (8801, 2273354), (12883, 1553038), (14911, 1341814), (17602, 1136677), (20987, 953342), (25049, 798746), (25766, 776519), (29822, 670907), (30721, 651274), (36667, 545662), (41974, 476671), (50098, 399373), (61442, 325637), (73334, 272831)]