2029152020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{21221}}^1$

素因数の和:21920

約数の個数: 48

約数和(自身を含む): 4877324928

約数和(自身を除く): 2848172908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 683, 1366, 2732, 3415, 4781, 6830, 9562, 13660, 19124, 21221, 23905, 42442, 47810, 84884, 95620, 106105, 148547, 212210, 297094, 424420, 594188, 742735, 1485470, 2970940, 14493943, 28987886, 57975772, 72469715, 101457601, 144939430, 202915202, 289878860, 405830404, 507288005, 1014576010, 2029152020]

約数ペア:

[(1, 2029152020), (2, 1014576010), (4, 507288005), (5, 405830404), (7, 289878860), (10, 202915202), (14, 144939430), (20, 101457601), (28, 72469715), (35, 57975772), (70, 28987886), (140, 14493943), (683, 2970940), (1366, 1485470), (2732, 742735), (3415, 594188), (4781, 424420), (6830, 297094), (9562, 212210), (13660, 148547), (19124, 106105), (21221, 95620), (23905, 84884), (42442, 47810)]