20168271500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{3102811}}^1$

素因数の和:3102843

約数の個数: 48

約数和(自身を含む): 47435789856

約数和(自身を除く): 27267518356

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 3102811, 6205622, 12411244, 15514055, 31028110, 40336543, 62056220, 77570275, 80673086, 155140550, 161346172, 201682715, 310281100, 387851375, 403365430, 775702750, 806730860, 1008413575, 1551405500, 2016827150, 4033654300, 5042067875, 10084135750, 20168271500]

約数ペア:

[(1, 20168271500), (2, 10084135750), (4, 5042067875), (5, 4033654300), (10, 2016827150), (13, 1551405500), (20, 1008413575), (25, 806730860), (26, 775702750), (50, 403365430), (52, 387851375), (65, 310281100), (100, 201682715), (125, 161346172), (130, 155140550), (250, 80673086), (260, 77570275), (325, 62056220), (500, 40336543), (650, 31028110), (1300, 15514055), (1625, 12411244), (3250, 6205622), (6500, 3102811)]