20123586

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 31486014

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 139, 189, 278, 378, 383, 417, 766, 834, 973, 1149, 1251, 1946, 2298, 2502, 2681, 2919, 3447, 3753, 5362, 5838, 6894, 7506, 8043, 8757, 10341, 16086, 17514, 20682, 24129, 26271, 48258, 52542, 53237, 72387, 106474, 144774, 159711, 319422, 372659, 479133, 745318, 958266, 1117977, 1437399, 2235954, 2874798, 3353931, 6707862, 10061793, 20123586]

約数ペア:

[(1, 20123586), (2, 10061793), (3, 6707862), (6, 3353931), (7, 2874798), (9, 2235954), (14, 1437399), (18, 1117977), (21, 958266), (27, 745318), (42, 479133), (54, 372659), (63, 319422), (126, 159711), (139, 144774), (189, 106474), (278, 72387), (378, 53237), (383, 52542), (417, 48258), (766, 26271), (834, 24129), (973, 20682), (1149, 17514), (1251, 16086), (1946, 10341), (2298, 8757), (2502, 8043), (2681, 7506), (2919, 6894), (3447, 5838), (3753, 5362)]