20355595660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67043}}^1$

素因数の和:67135

約数の個数: 96

約数和(自身を含む): 48657853440

約数和(自身を除く): 28302257780

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 47, 68, 76, 85, 94, 95, 170, 188, 190, 235, 323, 340, 380, 470, 646, 799, 893, 940, 1292, 1598, 1615, 1786, 3196, 3230, 3572, 3995, 4465, 6460, 7990, 8930, 15181, 15980, 17860, 30362, 60724, 67043, 75905, 134086, 151810, 268172, 303620, 335215, 670430, 1139731, 1273817, 1340860, 2279462, 2547634, 3151021, 4558924, 5095268, 5698655, 6302042, 6369085, 11397310, 12604084, 12738170, 15755105, 21654889, 22794620, 25476340, 31510210, 43309778, 53567357, 59869399, 63020420, 86619556, 107134714, 108274445, 119738798, 214269428, 216548890, 239477596, 267836785, 299346995, 433097780, 535673570, 598693990, 1017779783, 1071347140, 1197387980, 2035559566, 4071119132, 5088898915, 10177797830, 20355595660]

約数ペア:

[(1, 20355595660), (2, 10177797830), (4, 5088898915), (5, 4071119132), (10, 2035559566), (17, 1197387980), (19, 1071347140), (20, 1017779783), (34, 598693990), (38, 535673570), (47, 433097780), (68, 299346995), (76, 267836785), (85, 239477596), (94, 216548890), (95, 214269428), (170, 119738798), (188, 108274445), (190, 107134714), (235, 86619556), (323, 63020420), (340, 59869399), (380, 53567357), (470, 43309778), (646, 31510210), (799, 25476340), (893, 22794620), (940, 21654889), (1292, 15755105), (1598, 12738170), (1615, 12604084), (1786, 11397310), (3196, 6369085), (3230, 6302042), (3572, 5698655), (3995, 5095268), (4465, 4558924), (6460, 3151021), (7990, 2547634), (8930, 2279462), (15181, 1340860), (15980, 1273817), (17860, 1139731), (30362, 670430), (60724, 335215), (67043, 303620), (75905, 268172), (134086, 151810)]