20170352540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{406169}}^1$

素因数の和:406382

約数の個数: 48

約数和(自身を含む): 45854968320

約数和(自身を除く): 25684615780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 955, 1910, 2483, 3820, 4966, 9932, 12415, 24830, 49660, 406169, 812338, 1624676, 2030845, 4061690, 5280197, 8123380, 10560394, 21120788, 26400985, 52801970, 77578279, 105603940, 155156558, 310313116, 387891395, 775782790, 1008517627, 1551565580, 2017035254, 4034070508, 5042588135, 10085176270, 20170352540]

約数ペア:

[(1, 20170352540), (2, 10085176270), (4, 5042588135), (5, 4034070508), (10, 2017035254), (13, 1551565580), (20, 1008517627), (26, 775782790), (52, 387891395), (65, 310313116), (130, 155156558), (191, 105603940), (260, 77578279), (382, 52801970), (764, 26400985), (955, 21120788), (1910, 10560394), (2483, 8123380), (3820, 5280197), (4966, 4061690), (9932, 2030845), (12415, 1624676), (24830, 812338), (49660, 406169)]