20074450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 96

約数和(自身を含む): 45800640

約数和(自身を除く): 25726190

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 25, 34, 38, 50, 55, 85, 95, 110, 113, 170, 187, 190, 209, 226, 275, 323, 374, 418, 425, 475, 550, 565, 646, 850, 935, 950, 1045, 1130, 1243, 1615, 1870, 1921, 2090, 2147, 2486, 2825, 3230, 3553, 3842, 4294, 4675, 5225, 5650, 6215, 7106, 8075, 9350, 9605, 10450, 10735, 12430, 16150, 17765, 19210, 21131, 21470, 23617, 31075, 35530, 36499, 42262, 47234, 48025, 53675, 62150, 72998, 88825, 96050, 105655, 107350, 118085, 177650, 182495, 211310, 236170, 364990, 401489, 528275, 590425, 802978, 912475, 1056550, 1180850, 1824950, 2007445, 4014890, 10037225, 20074450]

約数ペア:

[(1, 20074450), (2, 10037225), (5, 4014890), (10, 2007445), (11, 1824950), (17, 1180850), (19, 1056550), (22, 912475), (25, 802978), (34, 590425), (38, 528275), (50, 401489), (55, 364990), (85, 236170), (95, 211310), (110, 182495), (113, 177650), (170, 118085), (187, 107350), (190, 105655), (209, 96050), (226, 88825), (275, 72998), (323, 62150), (374, 53675), (418, 48025), (425, 47234), (475, 42262), (550, 36499), (565, 35530), (646, 31075), (850, 23617), (935, 21470), (950, 21131), (1045, 19210), (1130, 17765), (1243, 16150), (1615, 12430), (1870, 10735), (1921, 10450), (2090, 9605), (2147, 9350), (2486, 8075), (2825, 7106), (3230, 6215), (3553, 5650), (3842, 5225), (4294, 4675)]