20842934.000000000

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1993}}^1$

素因数の和:2141

約数の個数: 72

約数和(自身を含む): 407350272

約数和(自身を除く): 258521004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 127, 147, 196, 254, 294, 381, 508, 588, 762, 889, 1524, 1778, 1993, 2667, 3556, 3986, 5334, 5979, 6223, 7972, 10668, 11958, 12446, 13951, 18669, 23916, 24892, 27902, 37338, 41853, 55804, 74676, 83706, 97657, 167412, 195314, 253111, 292971, 390628, 506222, 585942, 759333, 1012444, 1171884, 1518666, 1771777, 3037332, 3543554, 5315331, 7087108, 10630662, 12402439, 21261324, 24804878, 37207317, 49609756, 74414634, 148829268]

約数ペア:

[(1, 148829268), (2, 74414634), (3, 49609756), (4, 37207317), (6, 24804878), (7, 21261324), (12, 12402439), (14, 10630662), (21, 7087108), (28, 5315331), (42, 3543554), (49, 3037332), (84, 1771777), (98, 1518666), (127, 1171884), (147, 1012444), (196, 759333), (254, 585942), (294, 506222), (381, 390628), (508, 292971), (588, 253111), (762, 195314), (889, 167412), (1524, 97657), (1778, 83706), (1993, 74676), (2667, 55804), (3556, 41853), (3986, 37338), (5334, 27902), (5979, 24892), (6223, 23916), (7972, 18669), (10668, 13951), (11958, 12446)]