20422440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 192

約数和(自身を含む): 72783360

約数和(自身を除く): 52360920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 47, 51, 60, 68, 71, 72, 85, 90, 94, 102, 120, 136, 141, 142, 153, 170, 180, 188, 204, 213, 235, 255, 282, 284, 306, 340, 355, 360, 376, 408, 423, 426, 470, 510, 564, 568, 612, 639, 680, 705, 710, 765, 799, 846, 852, 940, 1020, 1065, 1128, 1207, 1224, 1278, 1410, 1420, 1530, 1598, 1692, 1704, 1880, 2040, 2115, 2130, 2397, 2414, 2556, 2820, 2840, 3060, 3195, 3196, 3337, 3384, 3621, 3995, 4230, 4260, 4794, 4828, 5112, 5640, 6035, 6120, 6390, 6392, 6674, 7191, 7242, 7990, 8460, 8520, 9588, 9656, 10011, 10863, 11985, 12070, 12780, 13348, 14382, 14484, 15980, 16685, 16920, 18105, 19176, 20022, 21726, 23970, 24140, 25560, 26696, 28764, 28968, 30033, 31960, 33370, 35955, 36210, 40044, 43452, 47940, 48280, 50055, 54315, 56729, 57528, 60066, 66740, 71910, 72420, 80088, 86904, 95880, 100110, 108630, 113458, 120132, 133480, 143820, 144840, 150165, 170187, 200220, 217260, 226916, 240264, 283645, 287640, 300330, 340374, 400440, 434520, 453832, 510561, 567290, 600660, 680748, 850935, 1021122, 1134580, 1201320, 1361496, 1701870, 2042244, 2269160, 2552805, 3403740, 4084488, 5105610, 6807480, 10211220, 20422440]

約数ペア:

[(1, 20422440), (2, 10211220), (3, 6807480), (4, 5105610), (5, 4084488), (6, 3403740), (8, 2552805), (9, 2269160), (10, 2042244), (12, 1701870), (15, 1361496), (17, 1201320), (18, 1134580), (20, 1021122), (24, 850935), (30, 680748), (34, 600660), (36, 567290), (40, 510561), (45, 453832), (47, 434520), (51, 400440), (60, 340374), (68, 300330), (71, 287640), (72, 283645), (85, 240264), (90, 226916), (94, 217260), (102, 200220), (120, 170187), (136, 150165), (141, 144840), (142, 143820), (153, 133480), (170, 120132), (180, 113458), (188, 108630), (204, 100110), (213, 95880), (235, 86904), (255, 80088), (282, 72420), (284, 71910), (306, 66740), (340, 60066), (355, 57528), (360, 56729), (376, 54315), (408, 50055), (423, 48280), (426, 47940), (470, 43452), (510, 40044), (564, 36210), (568, 35955), (612, 33370), (639, 31960), (680, 30033), (705, 28968), (710, 28764), (765, 26696), (799, 25560), (846, 24140), (852, 23970), (940, 21726), (1020, 20022), (1065, 19176), (1128, 18105), (1207, 16920), (1224, 16685), (1278, 15980), (1410, 14484), (1420, 14382), (1530, 13348), (1598, 12780), (1692, 12070), (1704, 11985), (1880, 10863), (2040, 10011), (2115, 9656), (2130, 9588), (2397, 8520), (2414, 8460), (2556, 7990), (2820, 7242), (2840, 7191), (3060, 6674), (3195, 6392), (3196, 6390), (3337, 6120), (3384, 6035), (3621, 5640), (3995, 5112), (4230, 4828), (4260, 4794)]