20159750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6203}}^1$

素因数の和:6233

約数の個数: 32

約数和(自身を含む): 40648608

約数和(自身を除く): 20488858

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6203, 12406, 31015, 62030, 80639, 155075, 161278, 310150, 403195, 775375, 806390, 1550750, 2015975, 4031950, 10079875, 20159750]

約数ペア:

[(1, 20159750), (2, 10079875), (5, 4031950), (10, 2015975), (13, 1550750), (25, 806390), (26, 775375), (50, 403195), (65, 310150), (125, 161278), (130, 155075), (250, 80639), (325, 62030), (650, 31015), (1625, 12406), (3250, 6203)]