20178406782

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{10399}}^1$

素因数の和:10582

約数の個数: 96

約数和(自身を含む): 47114496000

約数和(自身を除く): 26936089218

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 109, 129, 138, 207, 218, 258, 327, 387, 414, 654, 774, 981, 989, 1962, 1978, 2507, 2967, 4687, 5014, 5934, 7521, 8901, 9374, 10399, 14061, 15042, 17802, 20798, 22563, 28122, 31197, 42183, 45126, 62394, 84366, 93591, 107801, 187182, 215602, 239177, 323403, 447157, 478354, 646806, 717531, 894314, 970209, 1133491, 1341471, 1435062, 1940418, 2152593, 2266982, 2682942, 3400473, 4024413, 4305186, 6800946, 8048826, 10201419, 10284611, 20402838, 20569222, 26070293, 30853833, 48740113, 52140586, 61707666, 78210879, 92561499, 97480226, 146220339, 156421758, 185122998, 234632637, 292440678, 438661017, 469265274, 877322034, 1121022599, 2242045198, 3363067797, 6726135594, 10089203391, 20178406782]

約数ペア:

[(1, 20178406782), (2, 10089203391), (3, 6726135594), (6, 3363067797), (9, 2242045198), (18, 1121022599), (23, 877322034), (43, 469265274), (46, 438661017), (69, 292440678), (86, 234632637), (109, 185122998), (129, 156421758), (138, 146220339), (207, 97480226), (218, 92561499), (258, 78210879), (327, 61707666), (387, 52140586), (414, 48740113), (654, 30853833), (774, 26070293), (981, 20569222), (989, 20402838), (1962, 10284611), (1978, 10201419), (2507, 8048826), (2967, 6800946), (4687, 4305186), (5014, 4024413), (5934, 3400473), (7521, 2682942), (8901, 2266982), (9374, 2152593), (10399, 1940418), (14061, 1435062), (15042, 1341471), (17802, 1133491), (20798, 970209), (22563, 894314), (28122, 717531), (31197, 646806), (42183, 478354), (45126, 447157), (62394, 323403), (84366, 239177), (93591, 215602), (107801, 187182)]