20199442840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29705063}}^1$

素因数の和:29705091

約数の個数: 32

約数和(自身を含む): 48122203680

約数和(自身を除く): 27922760840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29705063, 59410126, 118820252, 148525315, 237640504, 297050630, 504986071, 594101260, 1009972142, 1188202520, 2019944284, 2524930355, 4039888568, 5049860710, 10099721420, 20199442840]

約数ペア:

[(1, 20199442840), (2, 10099721420), (4, 5049860710), (5, 4039888568), (8, 2524930355), (10, 2019944284), (17, 1188202520), (20, 1009972142), (34, 594101260), (40, 504986071), (68, 297050630), (85, 237640504), (136, 148525315), (170, 118820252), (340, 59410126), (680, 29705063)]