20215350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:454

約数の個数: 72

約数和(自身を含む): 54840240

約数和(自身を除く): 34624890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 167, 225, 269, 334, 450, 501, 538, 807, 835, 1002, 1345, 1503, 1614, 1670, 2421, 2505, 2690, 3006, 4035, 4175, 4842, 5010, 6725, 7515, 8070, 8350, 12105, 12525, 13450, 15030, 20175, 24210, 25050, 37575, 40350, 44923, 60525, 75150, 89846, 121050, 134769, 224615, 269538, 404307, 449230, 673845, 808614, 1123075, 1347690, 2021535, 2246150, 3369225, 4043070, 6738450, 10107675, 20215350]

約数ペア:

[(1, 20215350), (2, 10107675), (3, 6738450), (5, 4043070), (6, 3369225), (9, 2246150), (10, 2021535), (15, 1347690), (18, 1123075), (25, 808614), (30, 673845), (45, 449230), (50, 404307), (75, 269538), (90, 224615), (150, 134769), (167, 121050), (225, 89846), (269, 75150), (334, 60525), (450, 44923), (501, 40350), (538, 37575), (807, 25050), (835, 24210), (1002, 20175), (1345, 15030), (1503, 13450), (1614, 12525), (1670, 12105), (2421, 8350), (2505, 8070), (2690, 7515), (3006, 6725), (4035, 5010), (4175, 4842)]