20176564900

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{25357}}^1$

素因数の和:25553

約数の個数: 72

約数和(自身を含む): 44791864040

約数和(自身を除く): 24615299140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 109, 146, 218, 292, 365, 436, 545, 730, 1090, 1460, 1825, 2180, 2725, 3650, 5450, 7300, 7957, 10900, 15914, 25357, 31828, 39785, 50714, 79570, 101428, 126785, 159140, 198925, 253570, 397850, 507140, 633925, 795700, 1267850, 1851061, 2535700, 2763913, 3702122, 5527826, 7404244, 9255305, 11055652, 13819565, 18510610, 27639130, 37021220, 46276525, 55278260, 69097825, 92553050, 138195650, 185106100, 201765649, 276391300, 403531298, 807062596, 1008828245, 2017656490, 4035312980, 5044141225, 10088282450, 20176564900]

約数ペア:

[(1, 20176564900), (2, 10088282450), (4, 5044141225), (5, 4035312980), (10, 2017656490), (20, 1008828245), (25, 807062596), (50, 403531298), (73, 276391300), (100, 201765649), (109, 185106100), (146, 138195650), (218, 92553050), (292, 69097825), (365, 55278260), (436, 46276525), (545, 37021220), (730, 27639130), (1090, 18510610), (1460, 13819565), (1825, 11055652), (2180, 9255305), (2725, 7404244), (3650, 5527826), (5450, 3702122), (7300, 2763913), (7957, 2535700), (10900, 1851061), (15914, 1267850), (25357, 795700), (31828, 633925), (39785, 507140), (50714, 397850), (79570, 253570), (101428, 198925), (126785, 159140)]