20198982596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{15511}}^1$

素因数の和:15924

約数の個数: 48

約数和(自身を含む): 38673277440

約数和(自身を除く): 18474294844

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 317, 634, 1027, 1268, 2054, 4108, 4121, 8242, 15511, 16484, 25043, 31022, 50086, 62044, 100172, 201643, 325559, 403286, 651118, 806572, 1225369, 1302236, 2450738, 4901476, 4916987, 9833974, 15929797, 19667948, 31859594, 63719188, 63920831, 127841662, 255683324, 388441973, 776883946, 1553767892, 5049745649, 10099491298, 20198982596]

約数ペア:

[(1, 20198982596), (2, 10099491298), (4, 5049745649), (13, 1553767892), (26, 776883946), (52, 388441973), (79, 255683324), (158, 127841662), (316, 63920831), (317, 63719188), (634, 31859594), (1027, 19667948), (1268, 15929797), (2054, 9833974), (4108, 4916987), (4121, 4901476), (8242, 2450738), (15511, 1302236), (16484, 1225369), (25043, 806572), (31022, 651118), (50086, 403286), (62044, 325559), (100172, 201643)]