20194828680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{681337}}^1$

素因数の和:681383

約数の個数: 128

約数和(自身を含む): 68678870400

約数和(自身を除く): 48484041720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 7410, 9880, 14820, 29640, 681337, 1362674, 2044011, 2725348, 3406685, 4088022, 5450696, 6813370, 8176044, 8857381, 10220055, 12945403, 13626740, 16352088, 17714762, 20440110, 25890806, 26572143, 27253480, 35429524, 38836209, 40880220, 44286905, 51781612, 53144286, 64727015, 70859048, 77672418, 81760440, 88573810, 103563224, 106288572, 129454030, 132860715, 155344836, 168290239, 177147620, 194181045, 212577144, 258908060, 265721430, 310689672, 336580478, 354295240, 388362090, 504870717, 517816120, 531442860, 673160956, 776724180, 841451195, 1009741434, 1062885720, 1346321912, 1553448360, 1682902390, 2019482868, 2524353585, 3365804780, 4038965736, 5048707170, 6731609560, 10097414340, 20194828680]

約数ペア:

[(1, 20194828680), (2, 10097414340), (3, 6731609560), (4, 5048707170), (5, 4038965736), (6, 3365804780), (8, 2524353585), (10, 2019482868), (12, 1682902390), (13, 1553448360), (15, 1346321912), (19, 1062885720), (20, 1009741434), (24, 841451195), (26, 776724180), (30, 673160956), (38, 531442860), (39, 517816120), (40, 504870717), (52, 388362090), (57, 354295240), (60, 336580478), (65, 310689672), (76, 265721430), (78, 258908060), (95, 212577144), (104, 194181045), (114, 177147620), (120, 168290239), (130, 155344836), (152, 132860715), (156, 129454030), (190, 106288572), (195, 103563224), (228, 88573810), (247, 81760440), (260, 77672418), (285, 70859048), (312, 64727015), (380, 53144286), (390, 51781612), (456, 44286905), (494, 40880220), (520, 38836209), (570, 35429524), (741, 27253480), (760, 26572143), (780, 25890806), (988, 20440110), (1140, 17714762), (1235, 16352088), (1482, 13626740), (1560, 12945403), (1976, 10220055), (2280, 8857381), (2470, 8176044), (2964, 6813370), (3705, 5450696), (4940, 4088022), (5928, 3406685), (7410, 2725348), (9880, 2044011), (14820, 1362674), (29640, 681337)]