20209260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19813}}^1$

素因数の和:19842

約数の個数: 48

約数和(自身を含む): 59917536

約数和(自身を除く): 39708276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19813, 39626, 59439, 79252, 99065, 118878, 198130, 237756, 297195, 336821, 396260, 594390, 673642, 1010463, 1188780, 1347284, 1684105, 2020926, 3368210, 4041852, 5052315, 6736420, 10104630, 20209260]

約数ペア:

[(1, 20209260), (2, 10104630), (3, 6736420), (4, 5052315), (5, 4041852), (6, 3368210), (10, 2020926), (12, 1684105), (15, 1347284), (17, 1188780), (20, 1010463), (30, 673642), (34, 594390), (51, 396260), (60, 336821), (68, 297195), (85, 237756), (102, 198130), (170, 118878), (204, 99065), (255, 79252), (340, 59439), (510, 39626), (1020, 19813)]