20512187752

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1091}}^1\times {\mathrm{5011}}^1$

素因数の和:6182

約数の個数: 64

約数和(自身を含む): 44660528640

約数和(自身を除く): 24148340888

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1091, 1876, 2182, 3752, 4364, 5011, 7637, 8728, 10022, 15274, 20044, 30548, 35077, 40088, 61096, 70154, 73097, 140308, 146194, 280616, 292388, 335737, 511679, 584776, 671474, 1023358, 1342948, 2046716, 2350159, 2685896, 4093432, 4700318, 5467001, 9400636, 10934002, 18801272, 21868004, 38269007, 43736008, 76538014, 153076028, 306152056, 366289067, 732578134, 1465156268, 2564023469, 2930312536, 5128046938, 10256093876, 20512187752]

約数ペア:

[(1, 20512187752), (2, 10256093876), (4, 5128046938), (7, 2930312536), (8, 2564023469), (14, 1465156268), (28, 732578134), (56, 366289067), (67, 306152056), (134, 153076028), (268, 76538014), (469, 43736008), (536, 38269007), (938, 21868004), (1091, 18801272), (1876, 10934002), (2182, 9400636), (3752, 5467001), (4364, 4700318), (5011, 4093432), (7637, 2685896), (8728, 2350159), (10022, 2046716), (15274, 1342948), (20044, 1023358), (30548, 671474), (35077, 584776), (40088, 511679), (61096, 335737), (70154, 292388), (73097, 280616), (140308, 146194)]