20872944

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{2543}}^1$

素因数の和:2579

約数の個数: 80

約数和(自身を含む): 63091200

約数和(自身を除く): 42218256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2543, 2736, 4104, 5086, 7629, 8208, 10172, 15258, 20344, 22887, 30516, 40688, 45774, 48317, 61032, 68661, 91548, 96634, 122064, 137322, 144951, 183096, 193268, 274644, 289902, 366192, 386536, 434853, 549288, 579804, 773072, 869706, 1098576, 1159608, 1304559, 1739412, 2319216, 2609118, 3478824, 5218236, 6957648, 10436472, 20872944]

約数ペア:

[(1, 20872944), (2, 10436472), (3, 6957648), (4, 5218236), (6, 3478824), (8, 2609118), (9, 2319216), (12, 1739412), (16, 1304559), (18, 1159608), (19, 1098576), (24, 869706), (27, 773072), (36, 579804), (38, 549288), (48, 434853), (54, 386536), (57, 366192), (72, 289902), (76, 274644), (108, 193268), (114, 183096), (144, 144951), (152, 137322), (171, 122064), (216, 96634), (228, 91548), (304, 68661), (342, 61032), (432, 48317), (456, 45774), (513, 40688), (684, 30516), (912, 22887), (1026, 20344), (1368, 15258), (2052, 10172), (2543, 8208), (2736, 7629), (4104, 5086)]