20028210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 51414912

約数和(自身を除く): 31386702

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 173, 227, 255, 346, 454, 510, 519, 681, 865, 1038, 1135, 1362, 1730, 2270, 2595, 2941, 3405, 3859, 5190, 5882, 6810, 7718, 8823, 11577, 14705, 17646, 19295, 23154, 29410, 38590, 39271, 44115, 57885, 78542, 88230, 115770, 117813, 196355, 235626, 392710, 589065, 667607, 1178130, 1335214, 2002821, 3338035, 4005642, 6676070, 10014105, 20028210]

約数ペア:

[(1, 20028210), (2, 10014105), (3, 6676070), (5, 4005642), (6, 3338035), (10, 2002821), (15, 1335214), (17, 1178130), (30, 667607), (34, 589065), (51, 392710), (85, 235626), (102, 196355), (170, 117813), (173, 115770), (227, 88230), (255, 78542), (346, 57885), (454, 44115), (510, 39271), (519, 38590), (681, 29410), (865, 23154), (1038, 19295), (1135, 17646), (1362, 14705), (1730, 11577), (2270, 8823), (2595, 7718), (2941, 6810), (3405, 5882), (3859, 5190)]