20199194379

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{136261}}^1$

素因数の和:136468

約数の個数: 48

約数和(自身を含む): 36108339904

約数和(自身を除く): 15909145525

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 181, 273, 543, 819, 1267, 1629, 2353, 3801, 7059, 11403, 16471, 21177, 49413, 136261, 148239, 408783, 953827, 1226349, 1771393, 2861481, 5314179, 8584443, 12399751, 15942537, 24663241, 37199253, 73989723, 111597759, 172642687, 221969169, 320622133, 517928061, 961866399, 1553784183, 2244354931, 2885599197, 6733064793, 20199194379]

約数ペア:

[(1, 20199194379), (3, 6733064793), (7, 2885599197), (9, 2244354931), (13, 1553784183), (21, 961866399), (39, 517928061), (63, 320622133), (91, 221969169), (117, 172642687), (181, 111597759), (273, 73989723), (543, 37199253), (819, 24663241), (1267, 15942537), (1629, 12399751), (2353, 8584443), (3801, 5314179), (7059, 2861481), (11403, 1771393), (16471, 1226349), (21177, 953827), (49413, 408783), (136261, 148239)]