20870879640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{122741}}^1$

素因数の和:122877

約数の個数: 128

約数和(自身を含む): 68048164800

約数和(自身を除く): 47177285160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 109, 120, 130, 156, 195, 218, 260, 312, 327, 390, 436, 520, 545, 654, 780, 872, 1090, 1308, 1417, 1560, 1635, 2180, 2616, 2834, 3270, 4251, 4360, 5668, 6540, 7085, 8502, 11336, 13080, 14170, 17004, 21255, 28340, 34008, 42510, 56680, 85020, 122741, 170040, 245482, 368223, 490964, 613705, 736446, 981928, 1227410, 1472892, 1595633, 1841115, 2454820, 2945784, 3191266, 3682230, 4786899, 4909640, 6382532, 7364460, 7978165, 9573798, 12765064, 13378769, 14728920, 15956330, 19147596, 23934495, 26757538, 31912660, 38295192, 40136307, 47868990, 53515076, 63825320, 66893845, 80272614, 95737980, 107030152, 133787690, 160545228, 173923997, 191475960, 200681535, 267575380, 321090456, 347847994, 401363070, 521771991, 535150760, 695695988, 802726140, 869619985, 1043543982, 1391391976, 1605452280, 1739239970, 2087087964, 2608859955, 3478479940, 4174175928, 5217719910, 6956959880, 10435439820, 20870879640]

約数ペア:

[(1, 20870879640), (2, 10435439820), (3, 6956959880), (4, 5217719910), (5, 4174175928), (6, 3478479940), (8, 2608859955), (10, 2087087964), (12, 1739239970), (13, 1605452280), (15, 1391391976), (20, 1043543982), (24, 869619985), (26, 802726140), (30, 695695988), (39, 535150760), (40, 521771991), (52, 401363070), (60, 347847994), (65, 321090456), (78, 267575380), (104, 200681535), (109, 191475960), (120, 173923997), (130, 160545228), (156, 133787690), (195, 107030152), (218, 95737980), (260, 80272614), (312, 66893845), (327, 63825320), (390, 53515076), (436, 47868990), (520, 40136307), (545, 38295192), (654, 31912660), (780, 26757538), (872, 23934495), (1090, 19147596), (1308, 15956330), (1417, 14728920), (1560, 13378769), (1635, 12765064), (2180, 9573798), (2616, 7978165), (2834, 7364460), (3270, 6382532), (4251, 4909640), (4360, 4786899), (5668, 3682230), (6540, 3191266), (7085, 2945784), (8502, 2454820), (11336, 1841115), (13080, 1595633), (14170, 1472892), (17004, 1227410), (21255, 981928), (28340, 736446), (34008, 613705), (42510, 490964), (56680, 368223), (85020, 245482), (122741, 170040)]