20805150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2617}}^1$

素因数の和:2685

約数の個数: 48

約数和(自身を含む): 52590384

約数和(自身を除く): 31785234

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 75, 106, 150, 159, 265, 318, 530, 795, 1325, 1590, 2617, 2650, 3975, 5234, 7851, 7950, 13085, 15702, 26170, 39255, 65425, 78510, 130850, 138701, 196275, 277402, 392550, 416103, 693505, 832206, 1387010, 2080515, 3467525, 4161030, 6935050, 10402575, 20805150]

約数ペア:

[(1, 20805150), (2, 10402575), (3, 6935050), (5, 4161030), (6, 3467525), (10, 2080515), (15, 1387010), (25, 832206), (30, 693505), (50, 416103), (53, 392550), (75, 277402), (106, 196275), (150, 138701), (159, 130850), (265, 78510), (318, 65425), (530, 39255), (795, 26170), (1325, 15702), (1590, 13085), (2617, 7950), (2650, 7851), (3975, 5234)]