20189852163

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1667}}^1\times {\mathrm{1697}}^1$

素因数の和:3444

約数の個数: 48

約数和(自身を含む): 31959266976

約数和(自身を除く): 11769414813

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 1667, 1697, 2379, 5001, 5091, 7137, 15003, 15273, 21671, 22061, 65013, 66183, 101687, 103517, 195039, 198549, 305061, 310551, 915183, 931653, 1321931, 1345721, 2828899, 3965793, 4037163, 8486697, 11897379, 12111489, 25460091, 36775687, 110327061, 172562839, 330981183, 517688517, 1553065551, 2243316907, 6729950721, 20189852163]

約数ペア:

[(1, 20189852163), (3, 6729950721), (9, 2243316907), (13, 1553065551), (39, 517688517), (61, 330981183), (117, 172562839), (183, 110327061), (549, 36775687), (793, 25460091), (1667, 12111489), (1697, 11897379), (2379, 8486697), (5001, 4037163), (5091, 3965793), (7137, 2828899), (15003, 1345721), (15273, 1321931), (21671, 931653), (22061, 915183), (65013, 310551), (66183, 305061), (101687, 198549), (103517, 195039)]