20352400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 53762184

約数和(自身を除く): 33409784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 41, 50, 68, 73, 80, 82, 85, 100, 136, 146, 164, 170, 200, 205, 272, 292, 328, 340, 365, 400, 410, 425, 584, 656, 680, 697, 730, 820, 850, 1025, 1168, 1241, 1360, 1394, 1460, 1640, 1700, 1825, 2050, 2482, 2788, 2920, 2993, 3280, 3400, 3485, 3650, 4100, 4964, 5576, 5840, 5986, 6205, 6800, 6970, 7300, 8200, 9928, 11152, 11972, 12410, 13940, 14600, 14965, 16400, 17425, 19856, 23944, 24820, 27880, 29200, 29930, 31025, 34850, 47888, 49640, 50881, 55760, 59860, 62050, 69700, 74825, 99280, 101762, 119720, 124100, 139400, 149650, 203524, 239440, 248200, 254405, 278800, 299300, 407048, 496400, 508810, 598600, 814096, 1017620, 1197200, 1272025, 2035240, 2544050, 4070480, 5088100, 10176200, 20352400]

約数ペア:

[(1, 20352400), (2, 10176200), (4, 5088100), (5, 4070480), (8, 2544050), (10, 2035240), (16, 1272025), (17, 1197200), (20, 1017620), (25, 814096), (34, 598600), (40, 508810), (41, 496400), (50, 407048), (68, 299300), (73, 278800), (80, 254405), (82, 248200), (85, 239440), (100, 203524), (136, 149650), (146, 139400), (164, 124100), (170, 119720), (200, 101762), (205, 99280), (272, 74825), (292, 69700), (328, 62050), (340, 59860), (365, 55760), (400, 50881), (410, 49640), (425, 47888), (584, 34850), (656, 31025), (680, 29930), (697, 29200), (730, 27880), (820, 24820), (850, 23944), (1025, 19856), (1168, 17425), (1241, 16400), (1360, 14965), (1394, 14600), (1460, 13940), (1640, 12410), (1700, 11972), (1825, 11152), (2050, 9928), (2482, 8200), (2788, 7300), (2920, 6970), (2993, 6800), (3280, 6205), (3400, 5986), (3485, 5840), (3650, 5576), (4100, 4964)]