20011212

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{4751}}^1$

素因数の和:4780

約数の個数: 60

約数和(自身を含む): 56349216

約数和(自身を除く): 36338004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 4751, 9502, 14253, 19004, 28506, 42759, 57012, 61763, 85518, 123526, 128277, 171036, 185289, 247052, 256554, 370578, 384831, 513108, 555867, 741156, 769662, 1111734, 1539324, 1667601, 2223468, 3335202, 5002803, 6670404, 10005606, 20011212]

約数ペア:

[(1, 20011212), (2, 10005606), (3, 6670404), (4, 5002803), (6, 3335202), (9, 2223468), (12, 1667601), (13, 1539324), (18, 1111734), (26, 769662), (27, 741156), (36, 555867), (39, 513108), (52, 384831), (54, 370578), (78, 256554), (81, 247052), (108, 185289), (117, 171036), (156, 128277), (162, 123526), (234, 85518), (324, 61763), (351, 57012), (468, 42759), (702, 28506), (1053, 19004), (1404, 14253), (2106, 9502), (4212, 4751)]