20923088478

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1\times {\mathrm{1721}}^1$

素因数の和:2321

約数の個数: 64

約数和(自身を含む): 43594758144

約数和(自身を除く): 22671669666

約数列:

[1, 2, 3, 6, 31, 62, 93, 163, 186, 326, 401, 489, 802, 978, 1203, 1721, 2406, 3442, 5053, 5163, 10106, 10326, 12431, 15159, 24862, 30318, 37293, 53351, 65363, 74586, 106702, 130726, 160053, 196089, 280523, 320106, 392178, 561046, 690121, 841569, 1380242, 1683138, 2026253, 2070363, 4052506, 4140726, 6078759, 8696213, 12157518, 17392426, 21393751, 26088639, 42787502, 52177278, 64181253, 112489723, 128362506, 224979446, 337469169, 674938338, 3487181413, 6974362826, 10461544239, 20923088478]

約数ペア:

[(1, 20923088478), (2, 10461544239), (3, 6974362826), (6, 3487181413), (31, 674938338), (62, 337469169), (93, 224979446), (163, 128362506), (186, 112489723), (326, 64181253), (401, 52177278), (489, 42787502), (802, 26088639), (978, 21393751), (1203, 17392426), (1721, 12157518), (2406, 8696213), (3442, 6078759), (5053, 4140726), (5163, 4052506), (10106, 2070363), (10326, 2026253), (12431, 1683138), (15159, 1380242), (24862, 841569), (30318, 690121), (37293, 561046), (53351, 392178), (65363, 320106), (74586, 280523), (106702, 196089), (130726, 160053)]