20100090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21613}}^1$

素因数の和:21654

約数の個数: 32

約数和(自身を含む): 49798656

約数和(自身を除く): 29698566

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21613, 43226, 64839, 108065, 129678, 216130, 324195, 648390, 670003, 1340006, 2010009, 3350015, 4020018, 6700030, 10050045, 20100090]

約数ペア:

[(1, 20100090), (2, 10050045), (3, 6700030), (5, 4020018), (6, 3350015), (10, 2010009), (15, 1340006), (30, 670003), (31, 648390), (62, 324195), (93, 216130), (155, 129678), (186, 108065), (310, 64839), (465, 43226), (930, 21613)]