20652510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 31602210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 53, 62, 93, 106, 155, 159, 186, 265, 310, 318, 419, 465, 530, 795, 838, 930, 1257, 1590, 1643, 2095, 2514, 3286, 4190, 4929, 6285, 8215, 9858, 12570, 12989, 16430, 22207, 24645, 25978, 38967, 44414, 49290, 64945, 66621, 77934, 111035, 129890, 133242, 194835, 222070, 333105, 389670, 666210, 688417, 1376834, 2065251, 3442085, 4130502, 6884170, 10326255, 20652510]

約数ペア:

[(1, 20652510), (2, 10326255), (3, 6884170), (5, 4130502), (6, 3442085), (10, 2065251), (15, 1376834), (30, 688417), (31, 666210), (53, 389670), (62, 333105), (93, 222070), (106, 194835), (155, 133242), (159, 129890), (186, 111035), (265, 77934), (310, 66621), (318, 64945), (419, 49290), (465, 44414), (530, 38967), (795, 25978), (838, 24645), (930, 22207), (1257, 16430), (1590, 12989), (1643, 12570), (2095, 9858), (2514, 8215), (3286, 6285), (4190, 4929)]