20199131992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{691183}}^1$

素因数の和:691483

約数の個数: 32

約数和(自身を含む): 40931916480

約数和(自身を除く): 20732784488

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 281, 562, 1124, 2248, 3653, 7306, 14612, 29224, 691183, 1382366, 2764732, 5529464, 8985379, 17970758, 35941516, 71883032, 194222423, 388444846, 776889692, 1553779384, 2524891499, 5049782998, 10099565996, 20199131992]

約数ペア:

[(1, 20199131992), (2, 10099565996), (4, 5049782998), (8, 2524891499), (13, 1553779384), (26, 776889692), (52, 388444846), (104, 194222423), (281, 71883032), (562, 35941516), (1124, 17970758), (2248, 8985379), (3653, 5529464), (7306, 2764732), (14612, 1382366), (29224, 691183)]