20134464740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1\times {\mathrm{1979}}^1$

素因数の和:2469

約数の個数: 96

約数和(自身を含む): 46103904000

約数和(自身を除く): 25969439260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 359, 436, 545, 718, 1090, 1417, 1436, 1795, 1979, 2180, 2834, 3590, 3958, 4667, 5668, 7085, 7180, 7916, 9334, 9895, 14170, 18668, 19790, 23335, 25727, 28340, 39131, 39580, 46670, 51454, 78262, 93340, 102908, 128635, 156524, 195655, 215711, 257270, 391310, 431422, 508703, 514540, 710461, 782620, 862844, 1017406, 1078555, 1420922, 2034812, 2157110, 2543515, 2804243, 2841844, 3552305, 4314220, 5087030, 5608486, 7104610, 9235993, 10174060, 11216972, 14021215, 14209220, 18471986, 28042430, 36943972, 46179965, 56084860, 77440249, 92359930, 154880498, 184719860, 309760996, 387201245, 774402490, 1006723237, 1548804980, 2013446474, 4026892948, 5033616185, 10067232370, 20134464740]

約数ペア:

[(1, 20134464740), (2, 10067232370), (4, 5033616185), (5, 4026892948), (10, 2013446474), (13, 1548804980), (20, 1006723237), (26, 774402490), (52, 387201245), (65, 309760996), (109, 184719860), (130, 154880498), (218, 92359930), (260, 77440249), (359, 56084860), (436, 46179965), (545, 36943972), (718, 28042430), (1090, 18471986), (1417, 14209220), (1436, 14021215), (1795, 11216972), (1979, 10174060), (2180, 9235993), (2834, 7104610), (3590, 5608486), (3958, 5087030), (4667, 4314220), (5668, 3552305), (7085, 2841844), (7180, 2804243), (7916, 2543515), (9334, 2157110), (9895, 2034812), (14170, 1420922), (18668, 1078555), (19790, 1017406), (23335, 862844), (25727, 782620), (28340, 710461), (39131, 514540), (39580, 508703), (46670, 431422), (51454, 391310), (78262, 257270), (93340, 215711), (102908, 195655), (128635, 156524)]