20686950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{45971}}^1$

素因数の和:45989

約数の個数: 36

約数和(自身を含む): 55580148

約数和(自身を除く): 34893198

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450, 45971, 91942, 137913, 229855, 275826, 413739, 459710, 689565, 827478, 1149275, 1379130, 2068695, 2298550, 3447825, 4137390, 6895650, 10343475, 20686950]

約数ペア:

[(1, 20686950), (2, 10343475), (3, 6895650), (5, 4137390), (6, 3447825), (9, 2298550), (10, 2068695), (15, 1379130), (18, 1149275), (25, 827478), (30, 689565), (45, 459710), (50, 413739), (75, 275826), (90, 229855), (150, 137913), (225, 91942), (450, 45971)]