20870280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57973}}^1$

素因数の和:57990

約数の個数: 48

約数和(自身を含む): 67829580

約数和(自身を除く): 46959300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57973, 115946, 173919, 231892, 289865, 347838, 463784, 521757, 579730, 695676, 869595, 1043514, 1159460, 1391352, 1739190, 2087028, 2318920, 2608785, 3478380, 4174056, 5217570, 6956760, 10435140, 20870280]

約数ペア:

[(1, 20870280), (2, 10435140), (3, 6956760), (4, 5217570), (5, 4174056), (6, 3478380), (8, 2608785), (9, 2318920), (10, 2087028), (12, 1739190), (15, 1391352), (18, 1159460), (20, 1043514), (24, 869595), (30, 695676), (36, 579730), (40, 521757), (45, 463784), (60, 347838), (72, 289865), (90, 231892), (120, 173919), (180, 115946), (360, 57973)]