20677930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:791

約数の個数: 64

約数和(自身を含む): 47351808

約数和(自身を除く): 26673878

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 733, 806, 910, 1085, 1466, 2015, 2170, 2821, 3665, 4030, 5131, 5642, 7330, 9529, 10262, 14105, 19058, 22723, 25655, 28210, 45446, 47645, 51310, 66703, 95290, 113615, 133406, 159061, 227230, 295399, 318122, 333515, 590798, 667030, 795305, 1476995, 1590610, 2067793, 2953990, 4135586, 10338965, 20677930]

約数ペア:

[(1, 20677930), (2, 10338965), (5, 4135586), (7, 2953990), (10, 2067793), (13, 1590610), (14, 1476995), (26, 795305), (31, 667030), (35, 590798), (62, 333515), (65, 318122), (70, 295399), (91, 227230), (130, 159061), (155, 133406), (182, 113615), (217, 95290), (310, 66703), (403, 51310), (434, 47645), (455, 45446), (733, 28210), (806, 25655), (910, 22723), (1085, 19058), (1466, 14105), (2015, 10262), (2170, 9529), (2821, 7330), (3665, 5642), (4030, 5131)]