20060643780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{290987}}^1$

素因数の和:291385

約数の個数: 72

約数和(自身を含む): 61009708032

約数和(自身を除く): 40949064252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 383, 766, 1149, 1532, 1915, 2298, 3447, 3830, 4596, 5745, 6894, 7660, 11490, 13788, 17235, 22980, 34470, 68940, 290987, 581974, 872961, 1163948, 1454935, 1745922, 2618883, 2909870, 3491844, 4364805, 5237766, 5819740, 8729610, 10475532, 13094415, 17459220, 26188830, 52377660, 111448021, 222896042, 334344063, 445792084, 557240105, 668688126, 1003032189, 1114480210, 1337376252, 1671720315, 2006064378, 2228960420, 3343440630, 4012128756, 5015160945, 6686881260, 10030321890, 20060643780]

約数ペア:

[(1, 20060643780), (2, 10030321890), (3, 6686881260), (4, 5015160945), (5, 4012128756), (6, 3343440630), (9, 2228960420), (10, 2006064378), (12, 1671720315), (15, 1337376252), (18, 1114480210), (20, 1003032189), (30, 668688126), (36, 557240105), (45, 445792084), (60, 334344063), (90, 222896042), (180, 111448021), (383, 52377660), (766, 26188830), (1149, 17459220), (1532, 13094415), (1915, 10475532), (2298, 8729610), (3447, 5819740), (3830, 5237766), (4596, 4364805), (5745, 3491844), (6894, 2909870), (7660, 2618883), (11490, 1745922), (13788, 1454935), (17235, 1163948), (22980, 872961), (34470, 581974), (68940, 290987)]