20408132032

素因数分解:

$2^6\times {\mathrm{37}}^2\times {\mathrm{163}}^1\times {\mathrm{1429}}^1$

素因数の和:1678

約数の個数: 84

約数和(自身を含む): 41906144280

約数和(自身を除く): 21498012248

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 163, 296, 326, 592, 652, 1184, 1304, 1369, 1429, 2368, 2608, 2738, 2858, 5216, 5476, 5716, 6031, 10432, 10952, 11432, 12062, 21904, 22864, 24124, 43808, 45728, 48248, 52873, 87616, 91456, 96496, 105746, 192992, 211492, 223147, 232927, 385984, 422984, 446294, 465854, 845968, 892588, 931708, 1691936, 1785176, 1863416, 1956301, 3383872, 3570352, 3726832, 3912602, 7140704, 7453664, 7825204, 8618299, 14281408, 14907328, 15650408, 17236598, 31300816, 34473196, 62601632, 68946392, 125203264, 137892784, 275785568, 318877063, 551571136, 637754126, 1275508252, 2551016504, 5102033008, 10204066016, 20408132032]

約数ペア:

[(1, 20408132032), (2, 10204066016), (4, 5102033008), (8, 2551016504), (16, 1275508252), (32, 637754126), (37, 551571136), (64, 318877063), (74, 275785568), (148, 137892784), (163, 125203264), (296, 68946392), (326, 62601632), (592, 34473196), (652, 31300816), (1184, 17236598), (1304, 15650408), (1369, 14907328), (1429, 14281408), (2368, 8618299), (2608, 7825204), (2738, 7453664), (2858, 7140704), (5216, 3912602), (5476, 3726832), (5716, 3570352), (6031, 3383872), (10432, 1956301), (10952, 1863416), (11432, 1785176), (12062, 1691936), (21904, 931708), (22864, 892588), (24124, 845968), (43808, 465854), (45728, 446294), (48248, 422984), (52873, 385984), (87616, 232927), (91456, 223147), (96496, 211492), (105746, 192992)]