20847200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 58496256

約数和(自身を除く): 37649056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 32, 40, 44, 46, 50, 55, 80, 88, 92, 100, 103, 110, 115, 160, 176, 184, 200, 206, 220, 230, 253, 275, 352, 368, 400, 412, 440, 460, 506, 515, 550, 575, 736, 800, 824, 880, 920, 1012, 1030, 1100, 1133, 1150, 1265, 1648, 1760, 1840, 2024, 2060, 2200, 2266, 2300, 2369, 2530, 2575, 3296, 3680, 4048, 4120, 4400, 4532, 4600, 4738, 5060, 5150, 5665, 6325, 8096, 8240, 8800, 9064, 9200, 9476, 10120, 10300, 11330, 11845, 12650, 16480, 18128, 18400, 18952, 20240, 20600, 22660, 23690, 25300, 26059, 28325, 36256, 37904, 40480, 41200, 45320, 47380, 50600, 52118, 56650, 59225, 75808, 82400, 90640, 94760, 101200, 104236, 113300, 118450, 130295, 181280, 189520, 202400, 208472, 226600, 236900, 260590, 379040, 416944, 453200, 473800, 521180, 651475, 833888, 906400, 947600, 1042360, 1302950, 1895200, 2084720, 2605900, 4169440, 5211800, 10423600, 20847200]

約数ペア:

[(1, 20847200), (2, 10423600), (4, 5211800), (5, 4169440), (8, 2605900), (10, 2084720), (11, 1895200), (16, 1302950), (20, 1042360), (22, 947600), (23, 906400), (25, 833888), (32, 651475), (40, 521180), (44, 473800), (46, 453200), (50, 416944), (55, 379040), (80, 260590), (88, 236900), (92, 226600), (100, 208472), (103, 202400), (110, 189520), (115, 181280), (160, 130295), (176, 118450), (184, 113300), (200, 104236), (206, 101200), (220, 94760), (230, 90640), (253, 82400), (275, 75808), (352, 59225), (368, 56650), (400, 52118), (412, 50600), (440, 47380), (460, 45320), (506, 41200), (515, 40480), (550, 37904), (575, 36256), (736, 28325), (800, 26059), (824, 25300), (880, 23690), (920, 22660), (1012, 20600), (1030, 20240), (1100, 18952), (1133, 18400), (1150, 18128), (1265, 16480), (1648, 12650), (1760, 11845), (1840, 11330), (2024, 10300), (2060, 10120), (2200, 9476), (2266, 9200), (2300, 9064), (2369, 8800), (2530, 8240), (2575, 8096), (3296, 6325), (3680, 5665), (4048, 5150), (4120, 5060), (4400, 4738), (4532, 4600)]