20652810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1907}}^1$

素因数の和:1955

約数の個数: 48

約数和(自身を含む): 52340256

約数和(自身を除く): 31687446

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 361, 570, 722, 1083, 1805, 1907, 2166, 3610, 3814, 5415, 5721, 9535, 10830, 11442, 19070, 28605, 36233, 57210, 72466, 108699, 181165, 217398, 362330, 543495, 688427, 1086990, 1376854, 2065281, 3442135, 4130562, 6884270, 10326405, 20652810]

約数ペア:

[(1, 20652810), (2, 10326405), (3, 6884270), (5, 4130562), (6, 3442135), (10, 2065281), (15, 1376854), (19, 1086990), (30, 688427), (38, 543495), (57, 362330), (95, 217398), (114, 181165), (190, 108699), (285, 72466), (361, 57210), (570, 36233), (722, 28605), (1083, 19070), (1805, 11442), (1907, 10830), (2166, 9535), (3610, 5721), (3814, 5415)]