20651220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:414

約数の個数: 96

約数和(自身を含む): 64915200

約数和(自身を除く): 44263980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 167, 180, 229, 270, 334, 458, 501, 540, 668, 687, 835, 916, 1002, 1145, 1374, 1503, 1670, 2004, 2061, 2290, 2505, 2748, 3006, 3340, 3435, 4122, 4509, 4580, 5010, 6012, 6183, 6870, 7515, 8244, 9018, 10020, 10305, 12366, 13740, 15030, 18036, 20610, 22545, 24732, 30060, 30915, 38243, 41220, 45090, 61830, 76486, 90180, 114729, 123660, 152972, 191215, 229458, 344187, 382430, 458916, 573645, 688374, 764860, 1032561, 1147290, 1376748, 1720935, 2065122, 2294580, 3441870, 4130244, 5162805, 6883740, 10325610, 20651220]

約数ペア:

[(1, 20651220), (2, 10325610), (3, 6883740), (4, 5162805), (5, 4130244), (6, 3441870), (9, 2294580), (10, 2065122), (12, 1720935), (15, 1376748), (18, 1147290), (20, 1032561), (27, 764860), (30, 688374), (36, 573645), (45, 458916), (54, 382430), (60, 344187), (90, 229458), (108, 191215), (135, 152972), (167, 123660), (180, 114729), (229, 90180), (270, 76486), (334, 61830), (458, 45090), (501, 41220), (540, 38243), (668, 30915), (687, 30060), (835, 24732), (916, 22545), (1002, 20610), (1145, 18036), (1374, 15030), (1503, 13740), (1670, 12366), (2004, 10305), (2061, 10020), (2290, 9018), (2505, 8244), (2748, 7515), (3006, 6870), (3340, 6183), (3435, 6012), (4122, 5010), (4509, 4580)]