20172542416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1\times {\mathrm{1039}}^1$

素因数の和:1676

約数の個数: 80

約数和(自身を含む): 42409785600

約数和(自身を除く): 22237243184

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 269, 347, 538, 694, 1039, 1076, 1388, 2078, 2152, 2776, 3497, 4156, 4304, 4511, 5552, 6994, 8312, 9022, 13507, 13988, 16624, 18044, 27014, 27976, 36088, 54028, 55952, 72176, 93343, 108056, 186686, 216112, 279491, 360533, 373372, 558982, 721066, 746744, 1117964, 1213459, 1442132, 1493488, 2235928, 2426918, 2884264, 3633383, 4471856, 4686929, 4853836, 5768528, 7266766, 9373858, 9707672, 14533532, 18747716, 19415344, 29067064, 37495432, 58134128, 74990864, 96983377, 193966754, 387933508, 775867016, 1260783901, 1551734032, 2521567802, 5043135604, 10086271208, 20172542416]

約数ペア:

[(1, 20172542416), (2, 10086271208), (4, 5043135604), (8, 2521567802), (13, 1551734032), (16, 1260783901), (26, 775867016), (52, 387933508), (104, 193966754), (208, 96983377), (269, 74990864), (347, 58134128), (538, 37495432), (694, 29067064), (1039, 19415344), (1076, 18747716), (1388, 14533532), (2078, 9707672), (2152, 9373858), (2776, 7266766), (3497, 5768528), (4156, 4853836), (4304, 4686929), (4511, 4471856), (5552, 3633383), (6994, 2884264), (8312, 2426918), (9022, 2235928), (13507, 1493488), (13988, 1442132), (16624, 1213459), (18044, 1117964), (27014, 746744), (27976, 721066), (36088, 558982), (54028, 373372), (55952, 360533), (72176, 279491), (93343, 216112), (108056, 186686)]