20123595968

素因数分解:

$2^6\times 7^3\times {\mathrm{509}}^1\times {\mathrm{1801}}^1$

素因数の和:2343

約数の個数: 112

約数和(自身を含む): 46686216000

約数和(自身を除く): 26562620032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 343, 392, 448, 509, 686, 784, 1018, 1372, 1568, 1801, 2036, 2744, 3136, 3563, 3602, 4072, 5488, 7126, 7204, 8144, 10976, 12607, 14252, 14408, 16288, 21952, 24941, 25214, 28504, 28816, 32576, 49882, 50428, 57008, 57632, 88249, 99764, 100856, 114016, 115264, 174587, 176498, 199528, 201712, 228032, 349174, 352996, 399056, 403424, 617743, 698348, 705992, 798112, 806848, 916709, 1235486, 1396696, 1411984, 1596224, 1833418, 2470972, 2793392, 2823968, 3666836, 4941944, 5586784, 5647936, 6416963, 7333672, 9883888, 11173568, 12833926, 14667344, 19767776, 25667852, 29334688, 39535552, 44918741, 51335704, 58669376, 89837482, 102671408, 179674964, 205342816, 314431187, 359349928, 410685632, 628862374, 718699856, 1257724748, 1437399712, 2515449496, 2874799424, 5030898992, 10061797984, 20123595968]

約数ペア:

[(1, 20123595968), (2, 10061797984), (4, 5030898992), (7, 2874799424), (8, 2515449496), (14, 1437399712), (16, 1257724748), (28, 718699856), (32, 628862374), (49, 410685632), (56, 359349928), (64, 314431187), (98, 205342816), (112, 179674964), (196, 102671408), (224, 89837482), (343, 58669376), (392, 51335704), (448, 44918741), (509, 39535552), (686, 29334688), (784, 25667852), (1018, 19767776), (1372, 14667344), (1568, 12833926), (1801, 11173568), (2036, 9883888), (2744, 7333672), (3136, 6416963), (3563, 5647936), (3602, 5586784), (4072, 4941944), (5488, 3666836), (7126, 2823968), (7204, 2793392), (8144, 2470972), (10976, 1833418), (12607, 1596224), (14252, 1411984), (14408, 1396696), (16288, 1235486), (21952, 916709), (24941, 806848), (25214, 798112), (28504, 705992), (28816, 698348), (32576, 617743), (49882, 403424), (50428, 399056), (57008, 352996), (57632, 349174), (88249, 228032), (99764, 201712), (100856, 199528), (114016, 176498), (115264, 174587)]