20093925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 35712000

約数和(自身を除く): 15618075

約数列:

[1, 3, 5, 15, 19, 25, 57, 59, 75, 95, 177, 239, 285, 295, 475, 717, 885, 1121, 1195, 1425, 1475, 3363, 3585, 4425, 4541, 5605, 5975, 13623, 14101, 16815, 17925, 22705, 28025, 42303, 68115, 70505, 84075, 113525, 211515, 267919, 340575, 352525, 803757, 1057575, 1339595, 4018785, 6697975, 20093925]

約数ペア:

[(1, 20093925), (3, 6697975), (5, 4018785), (15, 1339595), (19, 1057575), (25, 803757), (57, 352525), (59, 340575), (75, 267919), (95, 211515), (177, 113525), (239, 84075), (285, 70505), (295, 68115), (475, 42303), (717, 28025), (885, 22705), (1121, 17925), (1195, 16815), (1425, 14101), (1475, 13623), (3363, 5975), (3585, 5605), (4425, 4541)]