20254140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6619}}^1$

素因数の和:6651

約数の個数: 72

約数和(自身を含む): 65061360

約数和(自身を除く): 44807220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6619, 13238, 19857, 26476, 33095, 39714, 59571, 66190, 79428, 99285, 112523, 119142, 132380, 198570, 225046, 238284, 297855, 337569, 397140, 450092, 562615, 595710, 675138, 1012707, 1125230, 1191420, 1350276, 1687845, 2025414, 2250460, 3375690, 4050828, 5063535, 6751380, 10127070, 20254140]

約数ペア:

[(1, 20254140), (2, 10127070), (3, 6751380), (4, 5063535), (5, 4050828), (6, 3375690), (9, 2250460), (10, 2025414), (12, 1687845), (15, 1350276), (17, 1191420), (18, 1125230), (20, 1012707), (30, 675138), (34, 595710), (36, 562615), (45, 450092), (51, 397140), (60, 337569), (68, 297855), (85, 238284), (90, 225046), (102, 198570), (153, 132380), (170, 119142), (180, 112523), (204, 99285), (255, 79428), (306, 66190), (340, 59571), (510, 39714), (612, 33095), (765, 26476), (1020, 19857), (1530, 13238), (3060, 6619)]