20047492620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1825819}}^1$

素因数の和:1825895

約数の個数: 72

約数和(自身を含む): 61807658640

約数和(自身を除く): 41760166020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 1825819, 3651638, 5477457, 7303276, 9129095, 10954914, 16432371, 18258190, 21909828, 27387285, 32864742, 36516380, 54774570, 65729484, 82161855, 109549140, 111374959, 164323710, 222749918, 328647420, 334124877, 445499836, 556874795, 668249754, 1002374631, 1113749590, 1336499508, 1670624385, 2004749262, 2227499180, 3341248770, 4009498524, 5011873155, 6682497540, 10023746310, 20047492620]

約数ペア:

[(1, 20047492620), (2, 10023746310), (3, 6682497540), (4, 5011873155), (5, 4009498524), (6, 3341248770), (9, 2227499180), (10, 2004749262), (12, 1670624385), (15, 1336499508), (18, 1113749590), (20, 1002374631), (30, 668249754), (36, 556874795), (45, 445499836), (60, 334124877), (61, 328647420), (90, 222749918), (122, 164323710), (180, 111374959), (183, 109549140), (244, 82161855), (305, 65729484), (366, 54774570), (549, 36516380), (610, 32864742), (732, 27387285), (915, 21909828), (1098, 18258190), (1220, 16432371), (1830, 10954914), (2196, 9129095), (2745, 7303276), (3660, 5477457), (5490, 3651638), (10980, 1825819)]