20110816

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 47416320

約数和(自身を除く): 27305504

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 76, 88, 97, 124, 152, 176, 194, 209, 248, 304, 341, 352, 388, 418, 496, 589, 608, 682, 776, 836, 992, 1067, 1178, 1364, 1552, 1672, 1843, 2134, 2356, 2728, 3007, 3104, 3344, 3686, 4268, 4712, 5456, 6014, 6479, 6688, 7372, 8536, 9424, 10912, 12028, 12958, 14744, 17072, 18848, 20273, 24056, 25916, 29488, 33077, 34144, 40546, 48112, 51832, 57133, 58976, 66154, 81092, 96224, 103664, 114266, 132308, 162184, 207328, 228532, 264616, 324368, 457064, 529232, 628463, 648736, 914128, 1058464, 1256926, 1828256, 2513852, 5027704, 10055408, 20110816]

約数ペア:

[(1, 20110816), (2, 10055408), (4, 5027704), (8, 2513852), (11, 1828256), (16, 1256926), (19, 1058464), (22, 914128), (31, 648736), (32, 628463), (38, 529232), (44, 457064), (62, 324368), (76, 264616), (88, 228532), (97, 207328), (124, 162184), (152, 132308), (176, 114266), (194, 103664), (209, 96224), (248, 81092), (304, 66154), (341, 58976), (352, 57133), (388, 51832), (418, 48112), (496, 40546), (589, 34144), (608, 33077), (682, 29488), (776, 25916), (836, 24056), (992, 20273), (1067, 18848), (1178, 17072), (1364, 14744), (1552, 12958), (1672, 12028), (1843, 10912), (2134, 9424), (2356, 8536), (2728, 7372), (3007, 6688), (3104, 6479), (3344, 6014), (3686, 5456), (4268, 4712)]