20367025870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1\times {\mathrm{1511}}^1$

素因数の和:2761

約数の個数: 64

約数和(自身を含む): 39282485760

約数和(自身を除く): 18915459890

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 1163, 1511, 2318, 2326, 3022, 5795, 5815, 7555, 11590, 11630, 15110, 22097, 28709, 44194, 57418, 70943, 92171, 110485, 141886, 143545, 184342, 220970, 287090, 354715, 460855, 709430, 921710, 1347917, 1751249, 1757293, 2695834, 3502498, 3514586, 6739585, 8756245, 8786465, 13479170, 17512490, 17572930, 33388567, 66777134, 107194873, 166942835, 214389746, 333885670, 535974365, 1071948730, 2036702587, 4073405174, 10183512935, 20367025870]

約数ペア:

[(1, 20367025870), (2, 10183512935), (5, 4073405174), (10, 2036702587), (19, 1071948730), (38, 535974365), (61, 333885670), (95, 214389746), (122, 166942835), (190, 107194873), (305, 66777134), (610, 33388567), (1159, 17572930), (1163, 17512490), (1511, 13479170), (2318, 8786465), (2326, 8756245), (3022, 6739585), (5795, 3514586), (5815, 3502498), (7555, 2695834), (11590, 1757293), (11630, 1751249), (15110, 1347917), (22097, 921710), (28709, 709430), (44194, 460855), (57418, 354715), (70943, 287090), (92171, 220970), (110485, 184342), (141886, 143545)]