20119930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1583}}^1$

素因数の和:1662

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 18200198

約数列:

[1, 2, 5, 10, 31, 41, 62, 82, 155, 205, 310, 410, 1271, 1583, 2542, 3166, 6355, 7915, 12710, 15830, 49073, 64903, 98146, 129806, 245365, 324515, 490730, 649030, 2011993, 4023986, 10059965, 20119930]

約数ペア:

[(1, 20119930), (2, 10059965), (5, 4023986), (10, 2011993), (31, 649030), (41, 490730), (62, 324515), (82, 245365), (155, 129806), (205, 98146), (310, 64903), (410, 49073), (1271, 15830), (1583, 12710), (2542, 7915), (3166, 6355)]