20730488888

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1\times {\mathrm{1579}}^1$

素因数の和:2100

約数の個数: 64

約数和(自身を含む): 40516761600

約数和(自身を除く): 19786272712

約数列:

[1, 2, 4, 8, 31, 62, 124, 167, 248, 317, 334, 634, 668, 1268, 1336, 1579, 2536, 3158, 5177, 6316, 9827, 10354, 12632, 19654, 20708, 39308, 41416, 48949, 52939, 78616, 97898, 105878, 195796, 211756, 263693, 391592, 423512, 500543, 527386, 1001086, 1054772, 1641109, 2002172, 2109544, 3282218, 4004344, 6564436, 8174483, 13128872, 15516833, 16348966, 31033666, 32697932, 62067332, 65395864, 83590681, 124134664, 167181362, 334362724, 668725448, 2591311111, 5182622222, 10365244444, 20730488888]

約数ペア:

[(1, 20730488888), (2, 10365244444), (4, 5182622222), (8, 2591311111), (31, 668725448), (62, 334362724), (124, 167181362), (167, 124134664), (248, 83590681), (317, 65395864), (334, 62067332), (634, 32697932), (668, 31033666), (1268, 16348966), (1336, 15516833), (1579, 13128872), (2536, 8174483), (3158, 6564436), (5177, 4004344), (6316, 3282218), (9827, 2109544), (10354, 2002172), (12632, 1641109), (19654, 1054772), (20708, 1001086), (39308, 527386), (41416, 500543), (48949, 423512), (52939, 391592), (78616, 263693), (97898, 211756), (105878, 195796)]