20123366900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2211359}}^1$

素因数の和:2211393

約数の個数: 72

約数和(自身を含む): 53744893440

約数和(自身を除く): 33621526540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 9100, 2211359, 4422718, 8845436, 11056795, 15479513, 22113590, 28747667, 30959026, 44227180, 55283975, 57495334, 61918052, 77397565, 110567950, 114990668, 143738335, 154795130, 201233669, 221135900, 287476670, 309590260, 386987825, 402467338, 574953340, 718691675, 773975650, 804934676, 1006168345, 1437383350, 1547951300, 2012336690, 2874766700, 4024673380, 5030841725, 10061683450, 20123366900]

約数ペア:

[(1, 20123366900), (2, 10061683450), (4, 5030841725), (5, 4024673380), (7, 2874766700), (10, 2012336690), (13, 1547951300), (14, 1437383350), (20, 1006168345), (25, 804934676), (26, 773975650), (28, 718691675), (35, 574953340), (50, 402467338), (52, 386987825), (65, 309590260), (70, 287476670), (91, 221135900), (100, 201233669), (130, 154795130), (140, 143738335), (175, 114990668), (182, 110567950), (260, 77397565), (325, 61918052), (350, 57495334), (364, 55283975), (455, 44227180), (650, 30959026), (700, 28747667), (910, 22113590), (1300, 15479513), (1820, 11056795), (2275, 8845436), (4550, 4422718), (9100, 2211359)]