20902122

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{797}}^1$

素因数の和:883

約数の個数: 48

約数和(自身を含む): 47803392

約数和(自身を除く): 26901270

約数列:

[1, 2, 3, 6, 9, 18, 31, 47, 62, 93, 94, 141, 186, 279, 282, 423, 558, 797, 846, 1457, 1594, 2391, 2914, 4371, 4782, 7173, 8742, 13113, 14346, 24707, 26226, 37459, 49414, 74121, 74918, 112377, 148242, 222363, 224754, 337131, 444726, 674262, 1161229, 2322458, 3483687, 6967374, 10451061, 20902122]

約数ペア:

[(1, 20902122), (2, 10451061), (3, 6967374), (6, 3483687), (9, 2322458), (18, 1161229), (31, 674262), (47, 444726), (62, 337131), (93, 224754), (94, 222363), (141, 148242), (186, 112377), (279, 74918), (282, 74121), (423, 49414), (558, 37459), (797, 26226), (846, 24707), (1457, 14346), (1594, 13113), (2391, 8742), (2914, 7173), (4371, 4782)]