20342322980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{160201}}^1$

素因数の和:161124

約数の個数: 48

約数和(自身を含む): 48875707776

約数和(自身を除く): 28533384796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 907, 1814, 3628, 4535, 6349, 9070, 12698, 18140, 25396, 31745, 63490, 126980, 160201, 320402, 640804, 801005, 1121407, 1602010, 2242814, 3204020, 4485628, 5607035, 11214070, 22428140, 145302307, 290604614, 581209228, 726511535, 1017116149, 1453023070, 2034232298, 2906046140, 4068464596, 5085580745, 10171161490, 20342322980]

約数ペア:

[(1, 20342322980), (2, 10171161490), (4, 5085580745), (5, 4068464596), (7, 2906046140), (10, 2034232298), (14, 1453023070), (20, 1017116149), (28, 726511535), (35, 581209228), (70, 290604614), (140, 145302307), (907, 22428140), (1814, 11214070), (3628, 5607035), (4535, 4485628), (6349, 3204020), (9070, 2242814), (12698, 1602010), (18140, 1121407), (25396, 801005), (31745, 640804), (63490, 320402), (126980, 160201)]