20642760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3373}}^1$

素因数の和:3407

約数の個数: 96

約数和(自身を含む): 71056440

約数和(自身を除く): 50413680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3373, 6120, 6746, 10119, 13492, 16865, 20238, 26984, 30357, 33730, 40476, 50595, 57341, 60714, 67460, 80952, 101190, 114682, 121428, 134920, 151785, 172023, 202380, 229364, 242856, 286705, 303570, 344046, 404760, 458728, 516069, 573410, 607140, 688092, 860115, 1032138, 1146820, 1214280, 1376184, 1720230, 2064276, 2293640, 2580345, 3440460, 4128552, 5160690, 6880920, 10321380, 20642760]

約数ペア:

[(1, 20642760), (2, 10321380), (3, 6880920), (4, 5160690), (5, 4128552), (6, 3440460), (8, 2580345), (9, 2293640), (10, 2064276), (12, 1720230), (15, 1376184), (17, 1214280), (18, 1146820), (20, 1032138), (24, 860115), (30, 688092), (34, 607140), (36, 573410), (40, 516069), (45, 458728), (51, 404760), (60, 344046), (68, 303570), (72, 286705), (85, 242856), (90, 229364), (102, 202380), (120, 172023), (136, 151785), (153, 134920), (170, 121428), (180, 114682), (204, 101190), (255, 80952), (306, 67460), (340, 60714), (360, 57341), (408, 50595), (510, 40476), (612, 33730), (680, 30357), (765, 26984), (1020, 20238), (1224, 16865), (1530, 13492), (2040, 10119), (3060, 6746), (3373, 6120)]