20866482

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12739}}^1$

素因数の和:12767

約数の個数: 48

約数和(自身を含む): 55648320

約数和(自身を除く): 34781838

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 12739, 25478, 38217, 76434, 89173, 114651, 165607, 178346, 229302, 267519, 331214, 496821, 535038, 802557, 993642, 1159249, 1490463, 1605114, 2318498, 2980926, 3477747, 6955494, 10433241, 20866482]

約数ペア:

[(1, 20866482), (2, 10433241), (3, 6955494), (6, 3477747), (7, 2980926), (9, 2318498), (13, 1605114), (14, 1490463), (18, 1159249), (21, 993642), (26, 802557), (39, 535038), (42, 496821), (63, 331214), (78, 267519), (91, 229302), (117, 178346), (126, 165607), (182, 114651), (234, 89173), (273, 76434), (546, 38217), (819, 25478), (1638, 12739)]