20506680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56963}}^1$

素因数の和:56980

約数の個数: 48

約数和(自身を含む): 66647880

約数和(自身を除く): 46141200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56963, 113926, 170889, 227852, 284815, 341778, 455704, 512667, 569630, 683556, 854445, 1025334, 1139260, 1367112, 1708890, 2050668, 2278520, 2563335, 3417780, 4101336, 5126670, 6835560, 10253340, 20506680]

約数ペア:

[(1, 20506680), (2, 10253340), (3, 6835560), (4, 5126670), (5, 4101336), (6, 3417780), (8, 2563335), (9, 2278520), (10, 2050668), (12, 1708890), (15, 1367112), (18, 1139260), (20, 1025334), (24, 854445), (30, 683556), (36, 569630), (40, 512667), (45, 455704), (60, 341778), (72, 284815), (90, 227852), (120, 170889), (180, 113926), (360, 56963)]