20932860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:643

約数の個数: 96

約数和(自身を含む): 64576512

約数和(自身を除く): 43643652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 78, 94, 130, 141, 156, 188, 195, 235, 260, 282, 390, 470, 564, 571, 611, 705, 780, 940, 1142, 1222, 1410, 1713, 1833, 2284, 2444, 2820, 2855, 3055, 3426, 3666, 5710, 6110, 6852, 7332, 7423, 8565, 9165, 11420, 12220, 14846, 17130, 18330, 22269, 26837, 29692, 34260, 36660, 37115, 44538, 53674, 74230, 80511, 89076, 107348, 111345, 134185, 148460, 161022, 222690, 268370, 322044, 348881, 402555, 445380, 536740, 697762, 805110, 1046643, 1395524, 1610220, 1744405, 2093286, 3488810, 4186572, 5233215, 6977620, 10466430, 20932860]

約数ペア:

[(1, 20932860), (2, 10466430), (3, 6977620), (4, 5233215), (5, 4186572), (6, 3488810), (10, 2093286), (12, 1744405), (13, 1610220), (15, 1395524), (20, 1046643), (26, 805110), (30, 697762), (39, 536740), (47, 445380), (52, 402555), (60, 348881), (65, 322044), (78, 268370), (94, 222690), (130, 161022), (141, 148460), (156, 134185), (188, 111345), (195, 107348), (235, 89076), (260, 80511), (282, 74230), (390, 53674), (470, 44538), (564, 37115), (571, 36660), (611, 34260), (705, 29692), (780, 26837), (940, 22269), (1142, 18330), (1222, 17130), (1410, 14846), (1713, 12220), (1833, 11420), (2284, 9165), (2444, 8565), (2820, 7423), (2855, 7332), (3055, 6852), (3426, 6110), (3666, 5710)]