20807254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 14119946

約数列:

[1, 2, 13, 26, 41, 82, 131, 149, 262, 298, 533, 1066, 1703, 1937, 3406, 3874, 5371, 6109, 10742, 12218, 19519, 39038, 69823, 79417, 139646, 158834, 253747, 507494, 800279, 1600558, 10403627, 20807254]

約数ペア:

[(1, 20807254), (2, 10403627), (13, 1600558), (26, 800279), (41, 507494), (82, 253747), (131, 158834), (149, 139646), (262, 79417), (298, 69823), (533, 39038), (1066, 19519), (1703, 12218), (1937, 10742), (3406, 6109), (3874, 5371)]