20175783952

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1\times {\mathrm{733}}^1$

素因数の和:1340

約数の個数: 80

約数和(自身を含む): 40883477040

約数和(自身を除く): 20707693088

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 137, 232, 274, 433, 464, 548, 733, 866, 1096, 1466, 1732, 2192, 2932, 3464, 3973, 5864, 6928, 7946, 11728, 12557, 15892, 21257, 25114, 31784, 42514, 50228, 59321, 63568, 85028, 100421, 100456, 118642, 170056, 200842, 200912, 237284, 317389, 340112, 401684, 474568, 634778, 803368, 949136, 1269556, 1606736, 1720309, 2539112, 2912209, 3440618, 5078224, 5824418, 6881236, 9204281, 11648836, 13762472, 18408562, 23297672, 27524944, 36817124, 43482293, 46595344, 73634248, 86964586, 147268496, 173929172, 347858344, 695716688, 1260986497, 2521972994, 5043945988, 10087891976, 20175783952]

約数ペア:

[(1, 20175783952), (2, 10087891976), (4, 5043945988), (8, 2521972994), (16, 1260986497), (29, 695716688), (58, 347858344), (116, 173929172), (137, 147268496), (232, 86964586), (274, 73634248), (433, 46595344), (464, 43482293), (548, 36817124), (733, 27524944), (866, 23297672), (1096, 18408562), (1466, 13762472), (1732, 11648836), (2192, 9204281), (2932, 6881236), (3464, 5824418), (3973, 5078224), (5864, 3440618), (6928, 2912209), (7946, 2539112), (11728, 1720309), (12557, 1606736), (15892, 1269556), (21257, 949136), (25114, 803368), (31784, 634778), (42514, 474568), (50228, 401684), (59321, 340112), (63568, 317389), (85028, 237284), (100421, 200912), (100456, 200842), (118642, 170056)]