20199731024

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1879}}^1\times {\mathrm{3593}}^1$

素因数の和:5508

約数の個数: 80

約数和(自身を含む): 45242997120

約数和(自身を除く): 25043266096

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 1879, 2992, 3593, 3758, 7186, 7516, 14372, 15032, 20669, 28744, 30064, 31943, 39523, 41338, 57488, 61081, 63886, 79046, 82676, 122162, 127772, 158092, 165352, 244324, 255544, 316184, 330704, 351373, 488648, 511088, 632368, 671891, 702746, 977296, 1343782, 1405492, 2687564, 2810984, 5375128, 5621968, 6751247, 10750256, 13502494, 27004988, 54009976, 74263717, 108019952, 114771199, 148527434, 229542398, 297054868, 459084796, 594109736, 918169592, 1188219472, 1262483189, 1836339184, 2524966378, 5049932756, 10099865512, 20199731024]

約数ペア:

[(1, 20199731024), (2, 10099865512), (4, 5049932756), (8, 2524966378), (11, 1836339184), (16, 1262483189), (17, 1188219472), (22, 918169592), (34, 594109736), (44, 459084796), (68, 297054868), (88, 229542398), (136, 148527434), (176, 114771199), (187, 108019952), (272, 74263717), (374, 54009976), (748, 27004988), (1496, 13502494), (1879, 10750256), (2992, 6751247), (3593, 5621968), (3758, 5375128), (7186, 2810984), (7516, 2687564), (14372, 1405492), (15032, 1343782), (20669, 977296), (28744, 702746), (30064, 671891), (31943, 632368), (39523, 511088), (41338, 488648), (57488, 351373), (61081, 330704), (63886, 316184), (79046, 255544), (82676, 244324), (122162, 165352), (127772, 158092)]