20617430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5273}}^1$

素因数の和:5320

約数の個数: 32

約数和(自身を含む): 41010624

約数和(自身を除く): 20393194

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5273, 10546, 26365, 52730, 89641, 121279, 179282, 242558, 448205, 606395, 896410, 1212790, 2061743, 4123486, 10308715, 20617430]

約数ペア:

[(1, 20617430), (2, 10308715), (5, 4123486), (10, 2061743), (17, 1212790), (23, 896410), (34, 606395), (46, 448205), (85, 242558), (115, 179282), (170, 121279), (230, 89641), (391, 52730), (782, 26365), (1955, 10546), (3910, 5273)]