20869380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5521}}^1$

素因数の和:5546

約数の個数: 96

約数和(自身を含む): 74215680

約数和(自身を除く): 53346300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5521, 11042, 16563, 22084, 27605, 33126, 38647, 49689, 55210, 66252, 77294, 82815, 99378, 110420, 115941, 149067, 154588, 165630, 193235, 198756, 231882, 248445, 298134, 331260, 347823, 386470, 463764, 496890, 579705, 596268, 695646, 745335, 772940, 993780, 1043469, 1159410, 1391292, 1490670, 1739115, 2086938, 2318820, 2981340, 3478230, 4173876, 5217345, 6956460, 10434690, 20869380]

約数ペア:

[(1, 20869380), (2, 10434690), (3, 6956460), (4, 5217345), (5, 4173876), (6, 3478230), (7, 2981340), (9, 2318820), (10, 2086938), (12, 1739115), (14, 1490670), (15, 1391292), (18, 1159410), (20, 1043469), (21, 993780), (27, 772940), (28, 745335), (30, 695646), (35, 596268), (36, 579705), (42, 496890), (45, 463764), (54, 386470), (60, 347823), (63, 331260), (70, 298134), (84, 248445), (90, 231882), (105, 198756), (108, 193235), (126, 165630), (135, 154588), (140, 149067), (180, 115941), (189, 110420), (210, 99378), (252, 82815), (270, 77294), (315, 66252), (378, 55210), (420, 49689), (540, 38647), (630, 33126), (756, 27605), (945, 22084), (1260, 16563), (1890, 11042), (3780, 5521)]