20187251710

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{293}}^1\times {\mathrm{983}}^1$

素因数の和:1489

約数の個数: 64

約数和(自身を含む): 37576078848

約数和(自身を除く): 17388827138

約数列:

[1, 2, 5, 10, 43, 86, 163, 215, 293, 326, 430, 586, 815, 983, 1465, 1630, 1966, 2930, 4915, 7009, 9830, 12599, 14018, 25198, 35045, 42269, 47759, 62995, 70090, 84538, 95518, 125990, 160229, 211345, 238795, 288019, 320458, 422690, 477590, 576038, 801145, 1440095, 1602290, 2053637, 2880190, 4107274, 6889847, 10268185, 12384817, 13779694, 20536370, 24769634, 34449235, 46947097, 61924085, 68898470, 93894194, 123848170, 234735485, 469470970, 2018725171, 4037450342, 10093625855, 20187251710]

約数ペア:

[(1, 20187251710), (2, 10093625855), (5, 4037450342), (10, 2018725171), (43, 469470970), (86, 234735485), (163, 123848170), (215, 93894194), (293, 68898470), (326, 61924085), (430, 46947097), (586, 34449235), (815, 24769634), (983, 20536370), (1465, 13779694), (1630, 12384817), (1966, 10268185), (2930, 6889847), (4915, 4107274), (7009, 2880190), (9830, 2053637), (12599, 1602290), (14018, 1440095), (25198, 801145), (35045, 576038), (42269, 477590), (47759, 422690), (62995, 320458), (70090, 288019), (84538, 238795), (95518, 211345), (125990, 160229)]