20636343

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 38814720

約数和(自身を除く): 18178377

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 91, 111, 117, 189, 227, 259, 273, 333, 351, 481, 681, 777, 819, 999, 1443, 1589, 2043, 2331, 2457, 2951, 3367, 4329, 4767, 6129, 6993, 8399, 8853, 10101, 12987, 14301, 20657, 25197, 26559, 30303, 42903, 58793, 61971, 75591, 79677, 90909, 109187, 176379, 185913, 226773, 327561, 529137, 557739, 764309, 982683, 1587411, 2292927, 2948049, 6878781, 20636343]

約数ペア:

[(1, 20636343), (3, 6878781), (7, 2948049), (9, 2292927), (13, 1587411), (21, 982683), (27, 764309), (37, 557739), (39, 529137), (63, 327561), (91, 226773), (111, 185913), (117, 176379), (189, 109187), (227, 90909), (259, 79677), (273, 75591), (333, 61971), (351, 58793), (481, 42903), (681, 30303), (777, 26559), (819, 25197), (999, 20657), (1443, 14301), (1589, 12987), (2043, 10101), (2331, 8853), (2457, 8399), (2951, 6993), (3367, 6129), (4329, 4767)]