20507100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4021}}^1$

素因数の和:4055

約数の個数: 72

約数和(自身を含む): 62839728

約数和(自身を除く): 42332628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4021, 5100, 8042, 12063, 16084, 20105, 24126, 40210, 48252, 60315, 68357, 80420, 100525, 120630, 136714, 201050, 205071, 241260, 273428, 301575, 341785, 402100, 410142, 603150, 683570, 820284, 1025355, 1206300, 1367140, 1708925, 2050710, 3417850, 4101420, 5126775, 6835700, 10253550, 20507100]

約数ペア:

[(1, 20507100), (2, 10253550), (3, 6835700), (4, 5126775), (5, 4101420), (6, 3417850), (10, 2050710), (12, 1708925), (15, 1367140), (17, 1206300), (20, 1025355), (25, 820284), (30, 683570), (34, 603150), (50, 410142), (51, 402100), (60, 341785), (68, 301575), (75, 273428), (85, 241260), (100, 205071), (102, 201050), (150, 136714), (170, 120630), (204, 100525), (255, 80420), (300, 68357), (340, 60315), (425, 48252), (510, 40210), (850, 24126), (1020, 20105), (1275, 16084), (1700, 12063), (2550, 8042), (4021, 5100)]