20994060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2671}}^1$

素因数の和:2814

約数の個数: 48

約数和(自身を含む): 59254272

約数和(自身を除く): 38260212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 2671, 3930, 5342, 7860, 8013, 10684, 13355, 16026, 26710, 32052, 40065, 53420, 80130, 160260, 349901, 699802, 1049703, 1399604, 1749505, 2099406, 3499010, 4198812, 5248515, 6998020, 10497030, 20994060]

約数ペア:

[(1, 20994060), (2, 10497030), (3, 6998020), (4, 5248515), (5, 4198812), (6, 3499010), (10, 2099406), (12, 1749505), (15, 1399604), (20, 1049703), (30, 699802), (60, 349901), (131, 160260), (262, 80130), (393, 53420), (524, 40065), (655, 32052), (786, 26710), (1310, 16026), (1572, 13355), (1965, 10684), (2620, 8013), (2671, 7860), (3930, 5342)]