20941725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 40033152

約数和(自身を除く): 19091427

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 113, 175, 339, 353, 525, 565, 791, 1059, 1695, 1765, 2373, 2471, 2825, 3955, 5295, 7413, 8475, 8825, 11865, 12355, 19775, 26475, 37065, 39889, 59325, 61775, 119667, 185325, 199445, 279223, 598335, 837669, 997225, 1396115, 2991675, 4188345, 6980575, 20941725]

約数ペア:

[(1, 20941725), (3, 6980575), (5, 4188345), (7, 2991675), (15, 1396115), (21, 997225), (25, 837669), (35, 598335), (75, 279223), (105, 199445), (113, 185325), (175, 119667), (339, 61775), (353, 59325), (525, 39889), (565, 37065), (791, 26475), (1059, 19775), (1695, 12355), (1765, 11865), (2373, 8825), (2471, 8475), (2825, 7413), (3955, 5295)]