20098320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 160

約数和(自身を含む): 71138304

約数和(自身を除く): 51039984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 110, 115, 120, 132, 138, 165, 176, 184, 220, 230, 240, 253, 264, 276, 330, 331, 345, 368, 440, 460, 506, 528, 552, 660, 662, 690, 759, 880, 920, 993, 1012, 1104, 1265, 1320, 1324, 1380, 1518, 1655, 1840, 1986, 2024, 2530, 2640, 2648, 2760, 3036, 3310, 3641, 3795, 3972, 4048, 4965, 5060, 5296, 5520, 6072, 6620, 7282, 7590, 7613, 7944, 9930, 10120, 10923, 12144, 13240, 14564, 15180, 15226, 15888, 18205, 19860, 20240, 21846, 22839, 26480, 29128, 30360, 30452, 36410, 38065, 39720, 43692, 45678, 54615, 58256, 60720, 60904, 72820, 76130, 79440, 83743, 87384, 91356, 109230, 114195, 121808, 145640, 152260, 167486, 174768, 182712, 218460, 228390, 251229, 291280, 304520, 334972, 365424, 418715, 436920, 456780, 502458, 609040, 669944, 837430, 873840, 913560, 1004916, 1256145, 1339888, 1674860, 1827120, 2009832, 2512290, 3349720, 4019664, 5024580, 6699440, 10049160, 20098320]

約数ペア:

[(1, 20098320), (2, 10049160), (3, 6699440), (4, 5024580), (5, 4019664), (6, 3349720), (8, 2512290), (10, 2009832), (11, 1827120), (12, 1674860), (15, 1339888), (16, 1256145), (20, 1004916), (22, 913560), (23, 873840), (24, 837430), (30, 669944), (33, 609040), (40, 502458), (44, 456780), (46, 436920), (48, 418715), (55, 365424), (60, 334972), (66, 304520), (69, 291280), (80, 251229), (88, 228390), (92, 218460), (110, 182712), (115, 174768), (120, 167486), (132, 152260), (138, 145640), (165, 121808), (176, 114195), (184, 109230), (220, 91356), (230, 87384), (240, 83743), (253, 79440), (264, 76130), (276, 72820), (330, 60904), (331, 60720), (345, 58256), (368, 54615), (440, 45678), (460, 43692), (506, 39720), (528, 38065), (552, 36410), (660, 30452), (662, 30360), (690, 29128), (759, 26480), (880, 22839), (920, 21846), (993, 20240), (1012, 19860), (1104, 18205), (1265, 15888), (1320, 15226), (1324, 15180), (1380, 14564), (1518, 13240), (1655, 12144), (1840, 10923), (1986, 10120), (2024, 9930), (2530, 7944), (2640, 7613), (2648, 7590), (2760, 7282), (3036, 6620), (3310, 6072), (3641, 5520), (3795, 5296), (3972, 5060), (4048, 4965)]