20218588300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{170047}}^1$

素因数の和:170131

約数の個数: 72

約数和(自身を含む): 46494524160

約数和(自身を除く): 26275935860

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 41, 50, 58, 82, 100, 116, 145, 164, 205, 290, 410, 580, 725, 820, 1025, 1189, 1450, 2050, 2378, 2900, 4100, 4756, 5945, 11890, 23780, 29725, 59450, 118900, 170047, 340094, 680188, 850235, 1700470, 3400940, 4251175, 4931363, 6971927, 8502350, 9862726, 13943854, 17004700, 19725452, 24656815, 27887708, 34859635, 49313630, 69719270, 98627260, 123284075, 139438540, 174298175, 202185883, 246568150, 348596350, 404371766, 493136300, 697192700, 808743532, 1010929415, 2021858830, 4043717660, 5054647075, 10109294150, 20218588300]

約数ペア:

[(1, 20218588300), (2, 10109294150), (4, 5054647075), (5, 4043717660), (10, 2021858830), (20, 1010929415), (25, 808743532), (29, 697192700), (41, 493136300), (50, 404371766), (58, 348596350), (82, 246568150), (100, 202185883), (116, 174298175), (145, 139438540), (164, 123284075), (205, 98627260), (290, 69719270), (410, 49313630), (580, 34859635), (725, 27887708), (820, 24656815), (1025, 19725452), (1189, 17004700), (1450, 13943854), (2050, 9862726), (2378, 8502350), (2900, 6971927), (4100, 4931363), (4756, 4251175), (5945, 3400940), (11890, 1700470), (23780, 850235), (29725, 680188), (59450, 340094), (118900, 170047)]