20992890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22573}}^1$

素因数の和:22614

約数の個数: 32

約数和(自身を含む): 52010496

約数和(自身を除く): 31017606

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22573, 45146, 67719, 112865, 135438, 225730, 338595, 677190, 699763, 1399526, 2099289, 3498815, 4198578, 6997630, 10496445, 20992890]

約数ペア:

[(1, 20992890), (2, 10496445), (3, 6997630), (5, 4198578), (6, 3498815), (10, 2099289), (15, 1399526), (30, 699763), (31, 677190), (62, 338595), (93, 225730), (155, 135438), (186, 112865), (310, 67719), (465, 45146), (930, 22573)]