20767450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 42899040

約数和(自身を除く): 22131590

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 61, 110, 122, 275, 305, 550, 610, 619, 671, 1238, 1342, 1525, 3050, 3095, 3355, 6190, 6710, 6809, 13618, 15475, 16775, 30950, 33550, 34045, 37759, 68090, 75518, 170225, 188795, 340450, 377590, 415349, 830698, 943975, 1887950, 2076745, 4153490, 10383725, 20767450]

約数ペア:

[(1, 20767450), (2, 10383725), (5, 4153490), (10, 2076745), (11, 1887950), (22, 943975), (25, 830698), (50, 415349), (55, 377590), (61, 340450), (110, 188795), (122, 170225), (275, 75518), (305, 68090), (550, 37759), (610, 34045), (619, 33550), (671, 30950), (1238, 16775), (1342, 15475), (1525, 13618), (3050, 6809), (3095, 6710), (3355, 6190)]