20731380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2069}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 58423680

約数和(自身を除く): 37692300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 167, 334, 501, 668, 835, 1002, 1670, 2004, 2069, 2505, 3340, 4138, 5010, 6207, 8276, 10020, 10345, 12414, 20690, 24828, 31035, 41380, 62070, 124140, 345523, 691046, 1036569, 1382092, 1727615, 2073138, 3455230, 4146276, 5182845, 6910460, 10365690, 20731380]

約数ペア:

[(1, 20731380), (2, 10365690), (3, 6910460), (4, 5182845), (5, 4146276), (6, 3455230), (10, 2073138), (12, 1727615), (15, 1382092), (20, 1036569), (30, 691046), (60, 345523), (167, 124140), (334, 62070), (501, 41380), (668, 31035), (835, 24828), (1002, 20690), (1670, 12414), (2004, 10345), (2069, 10020), (2505, 8276), (3340, 6207), (4138, 5010)]