20858130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4931}}^1$

素因数の和:4991

約数の個数: 48

約数和(自身を含む): 55396224

約数和(自身を除く): 34538094

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 235, 282, 423, 470, 705, 846, 1410, 2115, 4230, 4931, 9862, 14793, 24655, 29586, 44379, 49310, 73965, 88758, 147930, 221895, 231757, 443790, 463514, 695271, 1158785, 1390542, 2085813, 2317570, 3476355, 4171626, 6952710, 10429065, 20858130]

約数ペア:

[(1, 20858130), (2, 10429065), (3, 6952710), (5, 4171626), (6, 3476355), (9, 2317570), (10, 2085813), (15, 1390542), (18, 1158785), (30, 695271), (45, 463514), (47, 443790), (90, 231757), (94, 221895), (141, 147930), (235, 88758), (282, 73965), (423, 49310), (470, 44379), (705, 29586), (846, 24655), (1410, 14793), (2115, 9862), (4230, 4931)]