20448703440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2581907}}^1$

素因数の和:2581937

約数の個数: 120

約数和(自身を含む): 74916642528

約数和(自身を除く): 54467939088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 2581907, 5163814, 7745721, 10327628, 12909535, 15491442, 20655256, 23237163, 25819070, 28400977, 30982884, 38728605, 41310512, 46474326, 51638140, 56801954, 61965768, 77457210, 85202931, 92948652, 103276280, 113603908, 116185815, 123931536, 142004885, 154914420, 170405862, 185897304, 206552560, 227207816, 232371630, 255608793, 284009770, 309828840, 340811724, 371794608, 426014655, 454415632, 464743260, 511217586, 568019540, 619657680, 681623448, 852029310, 929486520, 1022435172, 1136039080, 1278043965, 1363246896, 1704058620, 1858973040, 2044870344, 2272078160, 2556087930, 3408117240, 4089740688, 5112175860, 6816234480, 10224351720, 20448703440]

約数ペア:

[(1, 20448703440), (2, 10224351720), (3, 6816234480), (4, 5112175860), (5, 4089740688), (6, 3408117240), (8, 2556087930), (9, 2272078160), (10, 2044870344), (11, 1858973040), (12, 1704058620), (15, 1363246896), (16, 1278043965), (18, 1136039080), (20, 1022435172), (22, 929486520), (24, 852029310), (30, 681623448), (33, 619657680), (36, 568019540), (40, 511217586), (44, 464743260), (45, 454415632), (48, 426014655), (55, 371794608), (60, 340811724), (66, 309828840), (72, 284009770), (80, 255608793), (88, 232371630), (90, 227207816), (99, 206552560), (110, 185897304), (120, 170405862), (132, 154914420), (144, 142004885), (165, 123931536), (176, 116185815), (180, 113603908), (198, 103276280), (220, 92948652), (240, 85202931), (264, 77457210), (330, 61965768), (360, 56801954), (396, 51638140), (440, 46474326), (495, 41310512), (528, 38728605), (660, 30982884), (720, 28400977), (792, 25819070), (880, 23237163), (990, 20655256), (1320, 15491442), (1584, 12909535), (1980, 10327628), (2640, 7745721), (3960, 5163814), (7920, 2581907)]