20885184

素因数分解:

$2^6\times 3^2\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:478

約数の個数: 84

約数和(自身を含む): 60624720

約数和(自身を除く): 39739536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 101, 144, 192, 202, 288, 303, 359, 404, 576, 606, 718, 808, 909, 1077, 1212, 1436, 1616, 1818, 2154, 2424, 2872, 3231, 3232, 3636, 4308, 4848, 5744, 6462, 6464, 7272, 8616, 9696, 11488, 12924, 14544, 17232, 19392, 22976, 25848, 29088, 34464, 36259, 51696, 58176, 68928, 72518, 103392, 108777, 145036, 206784, 217554, 290072, 326331, 435108, 580144, 652662, 870216, 1160288, 1305324, 1740432, 2320576, 2610648, 3480864, 5221296, 6961728, 10442592, 20885184]

約数ペア:

[(1, 20885184), (2, 10442592), (3, 6961728), (4, 5221296), (6, 3480864), (8, 2610648), (9, 2320576), (12, 1740432), (16, 1305324), (18, 1160288), (24, 870216), (32, 652662), (36, 580144), (48, 435108), (64, 326331), (72, 290072), (96, 217554), (101, 206784), (144, 145036), (192, 108777), (202, 103392), (288, 72518), (303, 68928), (359, 58176), (404, 51696), (576, 36259), (606, 34464), (718, 29088), (808, 25848), (909, 22976), (1077, 19392), (1212, 17232), (1436, 14544), (1616, 12924), (1818, 11488), (2154, 9696), (2424, 8616), (2872, 7272), (3231, 6464), (3232, 6462), (3636, 5744), (4308, 4848)]