20235797240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1401371}}^1$

素因数の和:1401420

約数の個数: 48

約数和(自身を含む): 48053045880

約数和(自身を除く): 27817248640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 14440, 1401371, 2802742, 5605484, 7006855, 11210968, 14013710, 26626049, 28027420, 53252098, 56054840, 106504196, 133130245, 213008392, 266260490, 505894931, 532520980, 1011789862, 1065041960, 2023579724, 2529474655, 4047159448, 5058949310, 10117898620, 20235797240]

約数ペア:

[(1, 20235797240), (2, 10117898620), (4, 5058949310), (5, 4047159448), (8, 2529474655), (10, 2023579724), (19, 1065041960), (20, 1011789862), (38, 532520980), (40, 505894931), (76, 266260490), (95, 213008392), (152, 133130245), (190, 106504196), (361, 56054840), (380, 53252098), (722, 28027420), (760, 26626049), (1444, 14013710), (1805, 11210968), (2888, 7006855), (3610, 5605484), (7220, 2802742), (14440, 1401371)]