20624760

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 75103200

約数和(自身を除く): 54478440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 113, 117, 120, 130, 135, 156, 169, 180, 195, 216, 226, 234, 260, 270, 312, 338, 339, 351, 360, 390, 452, 468, 507, 520, 540, 565, 585, 676, 678, 702, 780, 845, 904, 936, 1014, 1017, 1080, 1130, 1170, 1352, 1356, 1404, 1469, 1521, 1560, 1690, 1695, 1755, 2028, 2034, 2260, 2340, 2535, 2712, 2808, 2938, 3042, 3051, 3380, 3390, 3510, 4056, 4068, 4407, 4520, 4563, 4680, 5070, 5085, 5876, 6084, 6102, 6760, 6780, 7020, 7345, 7605, 8136, 8814, 9126, 10140, 10170, 11752, 12168, 12204, 13221, 13560, 14040, 14690, 15210, 15255, 17628, 18252, 19097, 20280, 20340, 22035, 22815, 24408, 26442, 29380, 30420, 30510, 35256, 36504, 38194, 39663, 40680, 44070, 45630, 52884, 57291, 58760, 60840, 61020, 66105, 76388, 79326, 88140, 91260, 95485, 105768, 114582, 122040, 132210, 152776, 158652, 171873, 176280, 182520, 190970, 198315, 229164, 264420, 286455, 317304, 343746, 381940, 396630, 458328, 515619, 528840, 572910, 687492, 763880, 793260, 859365, 1031238, 1145820, 1374984, 1586520, 1718730, 2062476, 2291640, 2578095, 3437460, 4124952, 5156190, 6874920, 10312380, 20624760]

約数ペア:

[(1, 20624760), (2, 10312380), (3, 6874920), (4, 5156190), (5, 4124952), (6, 3437460), (8, 2578095), (9, 2291640), (10, 2062476), (12, 1718730), (13, 1586520), (15, 1374984), (18, 1145820), (20, 1031238), (24, 859365), (26, 793260), (27, 763880), (30, 687492), (36, 572910), (39, 528840), (40, 515619), (45, 458328), (52, 396630), (54, 381940), (60, 343746), (65, 317304), (72, 286455), (78, 264420), (90, 229164), (104, 198315), (108, 190970), (113, 182520), (117, 176280), (120, 171873), (130, 158652), (135, 152776), (156, 132210), (169, 122040), (180, 114582), (195, 105768), (216, 95485), (226, 91260), (234, 88140), (260, 79326), (270, 76388), (312, 66105), (338, 61020), (339, 60840), (351, 58760), (360, 57291), (390, 52884), (452, 45630), (468, 44070), (507, 40680), (520, 39663), (540, 38194), (565, 36504), (585, 35256), (676, 30510), (678, 30420), (702, 29380), (780, 26442), (845, 24408), (904, 22815), (936, 22035), (1014, 20340), (1017, 20280), (1080, 19097), (1130, 18252), (1170, 17628), (1352, 15255), (1356, 15210), (1404, 14690), (1469, 14040), (1521, 13560), (1560, 13221), (1690, 12204), (1695, 12168), (1755, 11752), (2028, 10170), (2034, 10140), (2260, 9126), (2340, 8814), (2535, 8136), (2712, 7605), (2808, 7345), (2938, 7020), (3042, 6780), (3051, 6760), (3380, 6102), (3390, 6084), (3510, 5876), (4056, 5085), (4068, 5070), (4407, 4680), (4520, 4563)]