20373310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 41368320

約数和(自身を除く): 20995010

約数列:

[1, 2, 5, 10, 17, 34, 37, 41, 74, 79, 82, 85, 158, 170, 185, 205, 370, 395, 410, 629, 697, 790, 1258, 1343, 1394, 1517, 2686, 2923, 3034, 3145, 3239, 3485, 5846, 6290, 6478, 6715, 6970, 7585, 13430, 14615, 15170, 16195, 25789, 29230, 32390, 49691, 51578, 55063, 99382, 110126, 119843, 128945, 239686, 248455, 257890, 275315, 496910, 550630, 599215, 1198430, 2037331, 4074662, 10186655, 20373310]

約数ペア:

[(1, 20373310), (2, 10186655), (5, 4074662), (10, 2037331), (17, 1198430), (34, 599215), (37, 550630), (41, 496910), (74, 275315), (79, 257890), (82, 248455), (85, 239686), (158, 128945), (170, 119843), (185, 110126), (205, 99382), (370, 55063), (395, 51578), (410, 49691), (629, 32390), (697, 29230), (790, 25789), (1258, 16195), (1343, 15170), (1394, 14615), (1517, 13430), (2686, 7585), (2923, 6970), (3034, 6715), (3145, 6478), (3239, 6290), (3485, 5846)]