20440860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30971}}^1$

素因数の和:30994

約数の個数: 48

約数和(自身を含む): 62439552

約数和(自身を除く): 41998692

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 30971, 61942, 92913, 123884, 154855, 185826, 309710, 340681, 371652, 464565, 619420, 681362, 929130, 1022043, 1362724, 1703405, 1858260, 2044086, 3406810, 4088172, 5110215, 6813620, 10220430, 20440860]

約数ペア:

[(1, 20440860), (2, 10220430), (3, 6813620), (4, 5110215), (5, 4088172), (6, 3406810), (10, 2044086), (11, 1858260), (12, 1703405), (15, 1362724), (20, 1022043), (22, 929130), (30, 681362), (33, 619420), (44, 464565), (55, 371652), (60, 340681), (66, 309710), (110, 185826), (132, 154855), (165, 123884), (220, 92913), (330, 61942), (660, 30971)]