20259240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9931}}^1$

素因数の和:9962

約数の個数: 64

約数和(自身を含む): 64359360

約数和(自身を除く): 44100120

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, 9931, 19862, 29793, 39724, 49655, 59586, 79448, 99310, 119172, 148965, 168827, 198620, 238344, 297930, 337654, 397240, 506481, 595860, 675308, 844135, 1012962, 1191720, 1350616, 1688270, 2025924, 2532405, 3376540, 4051848, 5064810, 6753080, 10129620, 20259240]

約数ペア:

[(1, 20259240), (2, 10129620), (3, 6753080), (4, 5064810), (5, 4051848), (6, 3376540), (8, 2532405), (10, 2025924), (12, 1688270), (15, 1350616), (17, 1191720), (20, 1012962), (24, 844135), (30, 675308), (34, 595860), (40, 506481), (51, 397240), (60, 337654), (68, 297930), (85, 238344), (102, 198620), (120, 168827), (136, 148965), (170, 119172), (204, 99310), (255, 79448), (340, 59586), (408, 49655), (510, 39724), (680, 29793), (1020, 19862), (2040, 9931)]