20412750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1601}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 53980992

約数和(自身を除く): 33568242

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 125, 150, 170, 250, 255, 375, 425, 510, 750, 850, 1275, 1601, 2125, 2550, 3202, 4250, 4803, 6375, 8005, 9606, 12750, 16010, 24015, 27217, 40025, 48030, 54434, 80050, 81651, 120075, 136085, 163302, 200125, 240150, 272170, 400250, 408255, 600375, 680425, 816510, 1200750, 1360850, 2041275, 3402125, 4082550, 6804250, 10206375, 20412750]

約数ペア:

[(1, 20412750), (2, 10206375), (3, 6804250), (5, 4082550), (6, 3402125), (10, 2041275), (15, 1360850), (17, 1200750), (25, 816510), (30, 680425), (34, 600375), (50, 408255), (51, 400250), (75, 272170), (85, 240150), (102, 200125), (125, 163302), (150, 136085), (170, 120075), (250, 81651), (255, 80050), (375, 54434), (425, 48030), (510, 40025), (750, 27217), (850, 24015), (1275, 16010), (1601, 12750), (2125, 9606), (2550, 8005), (3202, 6375), (4250, 4803)]