20830440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10211}}^1$

素因数の和:10242

約数の個数: 64

約数和(自身を含む): 66173760

約数和(自身を除く): 45343320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10211, 20422, 30633, 40844, 51055, 61266, 81688, 102110, 122532, 153165, 173587, 204220, 245064, 306330, 347174, 408440, 520761, 612660, 694348, 867935, 1041522, 1225320, 1388696, 1735870, 2083044, 2603805, 3471740, 4166088, 5207610, 6943480, 10415220, 20830440]

約数ペア:

[(1, 20830440), (2, 10415220), (3, 6943480), (4, 5207610), (5, 4166088), (6, 3471740), (8, 2603805), (10, 2083044), (12, 1735870), (15, 1388696), (17, 1225320), (20, 1041522), (24, 867935), (30, 694348), (34, 612660), (40, 520761), (51, 408440), (60, 347174), (68, 306330), (85, 245064), (102, 204220), (120, 173587), (136, 153165), (170, 122532), (204, 102110), (255, 81688), (340, 61266), (408, 51055), (510, 40844), (680, 30633), (1020, 20422), (2040, 10211)]