20185181145

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{59467}}^1$

素因数の和:59894

約数の個数: 48

約数和(自身を含む): 36922491840

約数和(自身を除く): 16737310695

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 397, 855, 1191, 1985, 3573, 5955, 7543, 17865, 22629, 37715, 59467, 67887, 113145, 178401, 297335, 339435, 535203, 892005, 1129873, 2676015, 3389619, 5649365, 10168857, 16948095, 23608399, 50844285, 70825197, 118041995, 212475591, 354125985, 448559581, 1062377955, 1345678743, 2242797905, 4037036229, 6728393715, 20185181145]

約数ペア:

[(1, 20185181145), (3, 6728393715), (5, 4037036229), (9, 2242797905), (15, 1345678743), (19, 1062377955), (45, 448559581), (57, 354125985), (95, 212475591), (171, 118041995), (285, 70825197), (397, 50844285), (855, 23608399), (1191, 16948095), (1985, 10168857), (3573, 5649365), (5955, 3389619), (7543, 2676015), (17865, 1129873), (22629, 892005), (37715, 535203), (59467, 339435), (67887, 297335), (113145, 178401)]