20326500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4517}}^1$

素因数の和:4542

約数の個数: 72

約数和(自身を含む): 64137528

約数和(自身を除く): 43811028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4517, 9034, 13551, 18068, 22585, 27102, 40653, 45170, 54204, 67755, 81306, 90340, 112925, 135510, 162612, 203265, 225850, 271020, 338775, 406530, 451700, 564625, 677550, 813060, 1016325, 1129250, 1355100, 1693875, 2032650, 2258500, 3387750, 4065300, 5081625, 6775500, 10163250, 20326500]

約数ペア:

[(1, 20326500), (2, 10163250), (3, 6775500), (4, 5081625), (5, 4065300), (6, 3387750), (9, 2258500), (10, 2032650), (12, 1693875), (15, 1355100), (18, 1129250), (20, 1016325), (25, 813060), (30, 677550), (36, 564625), (45, 451700), (50, 406530), (60, 338775), (75, 271020), (90, 225850), (100, 203265), (125, 162612), (150, 135510), (180, 112925), (225, 90340), (250, 81306), (300, 67755), (375, 54204), (450, 45170), (500, 40653), (750, 27102), (900, 22585), (1125, 18068), (1500, 13551), (2250, 9034), (4500, 4517)]