16047020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 39102000

約数和(自身を除く): 23054980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 349, 380, 418, 484, 605, 698, 836, 1045, 1210, 1396, 1745, 2090, 2299, 2420, 3490, 3839, 4180, 4598, 6631, 6980, 7678, 9196, 11495, 13262, 15356, 19195, 22990, 26524, 33155, 38390, 42229, 45980, 66310, 72941, 76780, 84458, 132620, 145882, 168916, 211145, 291764, 364705, 422290, 729410, 802351, 844580, 1458820, 1604702, 3209404, 4011755, 8023510, 16047020]

約数ペア:

[(1, 16047020), (2, 8023510), (4, 4011755), (5, 3209404), (10, 1604702), (11, 1458820), (19, 844580), (20, 802351), (22, 729410), (38, 422290), (44, 364705), (55, 291764), (76, 211145), (95, 168916), (110, 145882), (121, 132620), (190, 84458), (209, 76780), (220, 72941), (242, 66310), (349, 45980), (380, 42229), (418, 38390), (484, 33155), (605, 26524), (698, 22990), (836, 19195), (1045, 15356), (1210, 13262), (1396, 11495), (1745, 9196), (2090, 7678), (2299, 6980), (2420, 6631), (3490, 4598), (3839, 4180)]