20020432840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{718093}}^1$

素因数の和:718162

約数の個数: 64

約数和(自身を含む): 48859115760

約数和(自身を除く): 28838682920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 2788, 3485, 5576, 6970, 13940, 27880, 718093, 1436186, 2872372, 3590465, 5744744, 7180930, 12207581, 14361860, 24415162, 28723720, 29441813, 48830324, 58883626, 61037905, 97660648, 117767252, 122075810, 147209065, 235534504, 244151620, 294418130, 488303240, 500510821, 588836260, 1001021642, 1177672520, 2002043284, 2502554105, 4004086568, 5005108210, 10010216420, 20020432840]

約数ペア:

[(1, 20020432840), (2, 10010216420), (4, 5005108210), (5, 4004086568), (8, 2502554105), (10, 2002043284), (17, 1177672520), (20, 1001021642), (34, 588836260), (40, 500510821), (41, 488303240), (68, 294418130), (82, 244151620), (85, 235534504), (136, 147209065), (164, 122075810), (170, 117767252), (205, 97660648), (328, 61037905), (340, 58883626), (410, 48830324), (680, 29441813), (697, 28723720), (820, 24415162), (1394, 14361860), (1640, 12207581), (2788, 7180930), (3485, 5744744), (5576, 3590465), (6970, 2872372), (13940, 1436186), (27880, 718093)]