20572592

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 45235200

約数和(自身を除く): 24662608

約数列:

[1, 2, 4, 8, 16, 19, 31, 37, 38, 59, 62, 74, 76, 118, 124, 148, 152, 236, 248, 296, 304, 472, 496, 589, 592, 703, 944, 1121, 1147, 1178, 1406, 1829, 2183, 2242, 2294, 2356, 2812, 3658, 4366, 4484, 4588, 4712, 5624, 7316, 8732, 8968, 9176, 9424, 11248, 14632, 17464, 17936, 18352, 21793, 29264, 34751, 34928, 41477, 43586, 67673, 69502, 82954, 87172, 135346, 139004, 165908, 174344, 270692, 278008, 331816, 348688, 541384, 556016, 663632, 1082768, 1285787, 2571574, 5143148, 10286296, 20572592]

約数ペア:

[(1, 20572592), (2, 10286296), (4, 5143148), (8, 2571574), (16, 1285787), (19, 1082768), (31, 663632), (37, 556016), (38, 541384), (59, 348688), (62, 331816), (74, 278008), (76, 270692), (118, 174344), (124, 165908), (148, 139004), (152, 135346), (236, 87172), (248, 82954), (296, 69502), (304, 67673), (472, 43586), (496, 41477), (589, 34928), (592, 34751), (703, 29264), (944, 21793), (1121, 18352), (1147, 17936), (1178, 17464), (1406, 14632), (1829, 11248), (2183, 9424), (2242, 9176), (2294, 8968), (2356, 8732), (2812, 7316), (3658, 5624), (4366, 4712), (4484, 4588)]