20804863618

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2843}}^1$

素因数の和:2984

約数の個数: 128

約数和(自身を含む): 42657269760

約数和(自身を除く): 21852406142

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 41, 61, 77, 82, 122, 133, 154, 209, 266, 287, 418, 427, 451, 574, 671, 779, 854, 902, 1159, 1342, 1463, 1558, 2318, 2501, 2843, 2926, 3157, 4697, 5002, 5453, 5686, 6314, 8113, 8569, 9394, 10906, 12749, 16226, 17138, 17507, 19901, 25498, 27511, 31273, 35014, 39802, 47519, 54017, 55022, 59983, 62546, 89243, 95038, 108034, 116563, 119966, 173423, 178486, 192577, 218911, 233126, 332633, 346846, 378119, 385154, 437822, 522709, 594187, 665266, 756238, 815941, 1045418, 1188374, 1213961, 1282193, 1631882, 1907653, 2214697, 2427922, 2564386, 3295037, 3658963, 3815306, 4159309, 4429394, 6590074, 7110343, 7317926, 8318618, 8975351, 13353571, 14220686, 15502879, 17950702, 23065259, 24361667, 26707142, 31005758, 36245407, 46130518, 48723334, 49772401, 72490814, 78213773, 99544802, 135096517, 156427546, 170531669, 253717849, 270193034, 341063338, 507435698, 547496411, 945675619, 1094992822, 1486061687, 1891351238, 2972123374, 10402431809, 20804863618]

約数ペア:

[(1, 20804863618), (2, 10402431809), (7, 2972123374), (11, 1891351238), (14, 1486061687), (19, 1094992822), (22, 945675619), (38, 547496411), (41, 507435698), (61, 341063338), (77, 270193034), (82, 253717849), (122, 170531669), (133, 156427546), (154, 135096517), (209, 99544802), (266, 78213773), (287, 72490814), (418, 49772401), (427, 48723334), (451, 46130518), (574, 36245407), (671, 31005758), (779, 26707142), (854, 24361667), (902, 23065259), (1159, 17950702), (1342, 15502879), (1463, 14220686), (1558, 13353571), (2318, 8975351), (2501, 8318618), (2843, 7317926), (2926, 7110343), (3157, 6590074), (4697, 4429394), (5002, 4159309), (5453, 3815306), (5686, 3658963), (6314, 3295037), (8113, 2564386), (8569, 2427922), (9394, 2214697), (10906, 1907653), (12749, 1631882), (16226, 1282193), (17138, 1213961), (17507, 1188374), (19901, 1045418), (25498, 815941), (27511, 756238), (31273, 665266), (35014, 594187), (39802, 522709), (47519, 437822), (54017, 385154), (55022, 378119), (59983, 346846), (62546, 332633), (89243, 233126), (95038, 218911), (108034, 192577), (116563, 178486), (119966, 173423)]