20194038760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1307}}^1\times {\mathrm{7883}}^1$

素因数の和:9215

約数の個数: 96

約数和(自身を含む): 52901955360

約数和(自身を除く): 32707916600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1307, 1960, 2614, 5228, 6535, 7883, 9149, 10456, 13070, 15766, 18298, 26140, 31532, 36596, 39415, 45745, 52280, 55181, 63064, 64043, 73192, 78830, 91490, 110362, 128086, 157660, 182980, 220724, 256172, 275905, 315320, 320215, 365960, 386267, 441448, 512344, 551810, 640430, 772534, 1103620, 1280860, 1545068, 1931335, 2207240, 2561720, 3090136, 3862670, 7725340, 10303081, 15450680, 20606162, 41212324, 51515405, 72121567, 82424648, 103030810, 144243134, 206061620, 288486268, 360607835, 412123240, 504850969, 576972536, 721215670, 1009701938, 1442431340, 2019403876, 2524254845, 2884862680, 4038807752, 5048509690, 10097019380, 20194038760]

約数ペア:

[(1, 20194038760), (2, 10097019380), (4, 5048509690), (5, 4038807752), (7, 2884862680), (8, 2524254845), (10, 2019403876), (14, 1442431340), (20, 1009701938), (28, 721215670), (35, 576972536), (40, 504850969), (49, 412123240), (56, 360607835), (70, 288486268), (98, 206061620), (140, 144243134), (196, 103030810), (245, 82424648), (280, 72121567), (392, 51515405), (490, 41212324), (980, 20606162), (1307, 15450680), (1960, 10303081), (2614, 7725340), (5228, 3862670), (6535, 3090136), (7883, 2561720), (9149, 2207240), (10456, 1931335), (13070, 1545068), (15766, 1280860), (18298, 1103620), (26140, 772534), (31532, 640430), (36596, 551810), (39415, 512344), (45745, 441448), (52280, 386267), (55181, 365960), (63064, 320215), (64043, 315320), (73192, 275905), (78830, 256172), (91490, 220724), (110362, 182980), (128086, 157660)]