20642436

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 55648320

約数和(自身を除く): 35005884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 103, 114, 171, 206, 228, 293, 309, 342, 412, 586, 618, 684, 879, 927, 1172, 1236, 1758, 1854, 1957, 2637, 3516, 3708, 3914, 5274, 5567, 5871, 7828, 10548, 11134, 11742, 16701, 17613, 22268, 23484, 30179, 33402, 35226, 50103, 60358, 66804, 70452, 90537, 100206, 120716, 181074, 200412, 271611, 362148, 543222, 573401, 1086444, 1146802, 1720203, 2293604, 3440406, 5160609, 6880812, 10321218, 20642436]

約数ペア:

[(1, 20642436), (2, 10321218), (3, 6880812), (4, 5160609), (6, 3440406), (9, 2293604), (12, 1720203), (18, 1146802), (19, 1086444), (36, 573401), (38, 543222), (57, 362148), (76, 271611), (103, 200412), (114, 181074), (171, 120716), (206, 100206), (228, 90537), (293, 70452), (309, 66804), (342, 60358), (412, 50103), (586, 35226), (618, 33402), (684, 30179), (879, 23484), (927, 22268), (1172, 17613), (1236, 16701), (1758, 11742), (1854, 11134), (1957, 10548), (2637, 7828), (3516, 5871), (3708, 5567), (3914, 5274)]