20433780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1861}}^1$

素因数の和:1937

約数の個数: 72

約数和(自身を含む): 63032424

約数和(自身を除く): 42598644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 1861, 2196, 2745, 3660, 3722, 5490, 5583, 7444, 9305, 10980, 11166, 16749, 18610, 22332, 27915, 33498, 37220, 55830, 66996, 83745, 111660, 113521, 167490, 227042, 334980, 340563, 454084, 567605, 681126, 1021689, 1135210, 1362252, 1702815, 2043378, 2270420, 3405630, 4086756, 5108445, 6811260, 10216890, 20433780]

約数ペア:

[(1, 20433780), (2, 10216890), (3, 6811260), (4, 5108445), (5, 4086756), (6, 3405630), (9, 2270420), (10, 2043378), (12, 1702815), (15, 1362252), (18, 1135210), (20, 1021689), (30, 681126), (36, 567605), (45, 454084), (60, 340563), (61, 334980), (90, 227042), (122, 167490), (180, 113521), (183, 111660), (244, 83745), (305, 66996), (366, 55830), (549, 37220), (610, 33498), (732, 27915), (915, 22332), (1098, 18610), (1220, 16749), (1830, 11166), (1861, 10980), (2196, 9305), (2745, 7444), (3660, 5583), (3722, 5490)]