20068920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:645

約数の個数: 96

約数和(自身を含む): 65959920

約数和(自身を除く): 45891000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 107, 120, 180, 214, 321, 360, 428, 521, 535, 642, 856, 963, 1042, 1070, 1284, 1563, 1605, 1926, 2084, 2140, 2568, 2605, 3126, 3210, 3852, 4168, 4280, 4689, 4815, 5210, 6252, 6420, 7704, 7815, 9378, 9630, 10420, 12504, 12840, 15630, 18756, 19260, 20840, 23445, 31260, 37512, 38520, 46890, 55747, 62520, 93780, 111494, 167241, 187560, 222988, 278735, 334482, 445976, 501723, 557470, 668964, 836205, 1003446, 1114940, 1337928, 1672410, 2006892, 2229880, 2508615, 3344820, 4013784, 5017230, 6689640, 10034460, 20068920]

約数ペア:

[(1, 20068920), (2, 10034460), (3, 6689640), (4, 5017230), (5, 4013784), (6, 3344820), (8, 2508615), (9, 2229880), (10, 2006892), (12, 1672410), (15, 1337928), (18, 1114940), (20, 1003446), (24, 836205), (30, 668964), (36, 557470), (40, 501723), (45, 445976), (60, 334482), (72, 278735), (90, 222988), (107, 187560), (120, 167241), (180, 111494), (214, 93780), (321, 62520), (360, 55747), (428, 46890), (521, 38520), (535, 37512), (642, 31260), (856, 23445), (963, 20840), (1042, 19260), (1070, 18756), (1284, 15630), (1563, 12840), (1605, 12504), (1926, 10420), (2084, 9630), (2140, 9378), (2568, 7815), (2605, 7704), (3126, 6420), (3210, 6252), (3852, 5210), (4168, 4815), (4280, 4689)]