20123595975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{67129}}^1$

素因数の和:67720

約数の個数: 48

約数和(自身を含む): 38091173120

約数和(自身を除く): 17967577145

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 571, 1713, 2855, 3997, 8565, 11991, 14275, 19985, 42825, 59955, 67129, 99925, 201387, 299775, 335645, 469903, 1006935, 1409709, 1678225, 2349515, 5034675, 7048545, 11747575, 35242725, 38330659, 114991977, 191653295, 268314613, 574959885, 804943839, 958266475, 1341573065, 2874799425, 4024719195, 6707865325, 20123595975]

約数ペア:

[(1, 20123595975), (3, 6707865325), (5, 4024719195), (7, 2874799425), (15, 1341573065), (21, 958266475), (25, 804943839), (35, 574959885), (75, 268314613), (105, 191653295), (175, 114991977), (525, 38330659), (571, 35242725), (1713, 11747575), (2855, 7048545), (3997, 5034675), (8565, 2349515), (11991, 1678225), (14275, 1409709), (19985, 1006935), (42825, 469903), (59955, 335645), (67129, 299775), (99925, 201387)]