20300950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 19696490

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 127, 139, 230, 254, 278, 575, 635, 695, 1150, 1270, 1390, 2921, 3175, 3197, 3475, 5842, 6350, 6394, 6950, 14605, 15985, 17653, 29210, 31970, 35306, 73025, 79925, 88265, 146050, 159850, 176530, 406019, 441325, 812038, 882650, 2030095, 4060190, 10150475, 20300950]

約数ペア:

[(1, 20300950), (2, 10150475), (5, 4060190), (10, 2030095), (23, 882650), (25, 812038), (46, 441325), (50, 406019), (115, 176530), (127, 159850), (139, 146050), (230, 88265), (254, 79925), (278, 73025), (575, 35306), (635, 31970), (695, 29210), (1150, 17653), (1270, 15985), (1390, 14605), (2921, 6950), (3175, 6394), (3197, 6350), (3475, 5842)]