20450142

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 46505472

約数和(自身を除く): 26055330

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 67, 93, 134, 186, 201, 279, 402, 547, 558, 603, 1094, 1206, 1641, 2077, 3282, 4154, 4923, 6231, 9846, 12462, 16957, 18693, 33914, 36649, 37386, 50871, 73298, 101742, 109947, 152613, 219894, 305226, 329841, 659682, 1136119, 2272238, 3408357, 6816714, 10225071, 20450142]

約数ペア:

[(1, 20450142), (2, 10225071), (3, 6816714), (6, 3408357), (9, 2272238), (18, 1136119), (31, 659682), (62, 329841), (67, 305226), (93, 219894), (134, 152613), (186, 109947), (201, 101742), (279, 73298), (402, 50871), (547, 37386), (558, 36649), (603, 33914), (1094, 18693), (1206, 16957), (1641, 12462), (2077, 9846), (3282, 6231), (4154, 4923)]