20209430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2243}}^1$

素因数の和:2320

約数の個数: 32

約数和(自身を含む): 39261024

約数和(自身を除く): 19051594

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 2243, 4486, 4505, 9010, 11215, 22430, 38131, 76262, 118879, 190655, 237758, 381310, 594395, 1188790, 2020943, 4041886, 10104715, 20209430]

約数ペア:

[(1, 20209430), (2, 10104715), (5, 4041886), (10, 2020943), (17, 1188790), (34, 594395), (53, 381310), (85, 237758), (106, 190655), (170, 118879), (265, 76262), (530, 38131), (901, 22430), (1802, 11215), (2243, 9010), (4486, 4505)]