20390076

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{3853}}^1$

素因数の和:3880

約数の個数: 72

約数和(自身を含む): 61509840

約数和(自身を除く): 41119764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 3853, 5292, 7706, 11559, 15412, 23118, 26971, 34677, 46236, 53942, 69354, 80913, 104031, 107884, 138708, 161826, 188797, 208062, 242739, 323652, 377594, 416124, 485478, 566391, 728217, 755188, 970956, 1132782, 1456434, 1699173, 2265564, 2912868, 3398346, 5097519, 6796692, 10195038, 20390076]

約数ペア:

[(1, 20390076), (2, 10195038), (3, 6796692), (4, 5097519), (6, 3398346), (7, 2912868), (9, 2265564), (12, 1699173), (14, 1456434), (18, 1132782), (21, 970956), (27, 755188), (28, 728217), (36, 566391), (42, 485478), (49, 416124), (54, 377594), (63, 323652), (84, 242739), (98, 208062), (108, 188797), (126, 161826), (147, 138708), (189, 107884), (196, 104031), (252, 80913), (294, 69354), (378, 53942), (441, 46236), (588, 34677), (756, 26971), (882, 23118), (1323, 15412), (1764, 11559), (2646, 7706), (3853, 5292)]