20101770

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 160

約数和(自身を含む): 61471872

約数和(自身を除く): 41370102

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 27, 30, 39, 45, 46, 54, 65, 69, 78, 81, 83, 90, 115, 117, 130, 135, 138, 162, 166, 195, 207, 230, 234, 249, 270, 299, 345, 351, 390, 405, 414, 415, 498, 585, 598, 621, 690, 702, 747, 810, 830, 897, 1035, 1053, 1079, 1170, 1242, 1245, 1494, 1495, 1755, 1794, 1863, 1909, 2070, 2106, 2158, 2241, 2490, 2691, 2990, 3105, 3237, 3510, 3726, 3735, 3818, 4482, 4485, 5265, 5382, 5395, 5727, 6210, 6474, 6723, 7470, 8073, 8970, 9315, 9545, 9711, 10530, 10790, 11205, 11454, 13446, 13455, 16146, 16185, 17181, 18630, 19090, 19422, 22410, 24219, 24817, 26910, 28635, 29133, 32370, 33615, 34362, 40365, 48438, 48555, 49634, 51543, 57270, 58266, 67230, 74451, 80730, 85905, 87399, 97110, 103086, 121095, 124085, 145665, 148902, 154629, 171810, 174798, 223353, 242190, 248170, 257715, 291330, 309258, 372255, 436995, 446706, 515430, 670059, 744510, 773145, 873990, 1116765, 1340118, 1546290, 2010177, 2233530, 3350295, 4020354, 6700590, 10050885, 20101770]

約数ペア:

[(1, 20101770), (2, 10050885), (3, 6700590), (5, 4020354), (6, 3350295), (9, 2233530), (10, 2010177), (13, 1546290), (15, 1340118), (18, 1116765), (23, 873990), (26, 773145), (27, 744510), (30, 670059), (39, 515430), (45, 446706), (46, 436995), (54, 372255), (65, 309258), (69, 291330), (78, 257715), (81, 248170), (83, 242190), (90, 223353), (115, 174798), (117, 171810), (130, 154629), (135, 148902), (138, 145665), (162, 124085), (166, 121095), (195, 103086), (207, 97110), (230, 87399), (234, 85905), (249, 80730), (270, 74451), (299, 67230), (345, 58266), (351, 57270), (390, 51543), (405, 49634), (414, 48555), (415, 48438), (498, 40365), (585, 34362), (598, 33615), (621, 32370), (690, 29133), (702, 28635), (747, 26910), (810, 24817), (830, 24219), (897, 22410), (1035, 19422), (1053, 19090), (1079, 18630), (1170, 17181), (1242, 16185), (1245, 16146), (1494, 13455), (1495, 13446), (1755, 11454), (1794, 11205), (1863, 10790), (1909, 10530), (2070, 9711), (2106, 9545), (2158, 9315), (2241, 8970), (2490, 8073), (2691, 7470), (2990, 6723), (3105, 6474), (3237, 6210), (3510, 5727), (3726, 5395), (3735, 5382), (3818, 5265), (4482, 4485)]