20452796

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 46922400

約数和(自身を除く): 26469604

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 91, 92, 98, 161, 182, 196, 299, 322, 349, 364, 598, 637, 644, 698, 1127, 1196, 1274, 1396, 2093, 2254, 2443, 2548, 4186, 4508, 4537, 4886, 8027, 8372, 9074, 9772, 14651, 16054, 17101, 18148, 29302, 31759, 32108, 34202, 56189, 58604, 63518, 68404, 104351, 112378, 127036, 208702, 222313, 224756, 393323, 417404, 444626, 730457, 786646, 889252, 1460914, 1573292, 2921828, 5113199, 10226398, 20452796]

約数ペア:

[(1, 20452796), (2, 10226398), (4, 5113199), (7, 2921828), (13, 1573292), (14, 1460914), (23, 889252), (26, 786646), (28, 730457), (46, 444626), (49, 417404), (52, 393323), (91, 224756), (92, 222313), (98, 208702), (161, 127036), (182, 112378), (196, 104351), (299, 68404), (322, 63518), (349, 58604), (364, 56189), (598, 34202), (637, 32108), (644, 31759), (698, 29302), (1127, 18148), (1196, 17101), (1274, 16054), (1396, 14651), (2093, 9772), (2254, 9074), (2443, 8372), (2548, 8027), (4186, 4886), (4508, 4537)]