20686443386

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{316471}}^1$

素因数の和:316539

約数の個数: 48

約数和(自身を含む): 38964032640

約数和(自身を除く): 18277589254

約数列:

[1, 2, 7, 14, 23, 29, 46, 49, 58, 98, 161, 203, 322, 406, 667, 1127, 1334, 1421, 2254, 2842, 4669, 9338, 32683, 65366, 316471, 632942, 2215297, 4430594, 7278833, 9177659, 14557666, 15507079, 18355318, 31014158, 50951831, 64243613, 101903662, 128487226, 211086157, 356662817, 422172314, 449705291, 713325634, 899410582, 1477603099, 2955206198, 10343221693, 20686443386]

約数ペア:

[(1, 20686443386), (2, 10343221693), (7, 2955206198), (14, 1477603099), (23, 899410582), (29, 713325634), (46, 449705291), (49, 422172314), (58, 356662817), (98, 211086157), (161, 128487226), (203, 101903662), (322, 64243613), (406, 50951831), (667, 31014158), (1127, 18355318), (1334, 15507079), (1421, 14557666), (2254, 9177659), (2842, 7278833), (4669, 4430594), (9338, 2215297), (32683, 632942), (65366, 316471)]