20138845488

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{1949}}^1\times {\mathrm{3529}}^1$

素因数の和:5550

約数の個数: 80

約数和(自身を含む): 52920348000

約数和(自身を除く): 32781502512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 1949, 2928, 3529, 3898, 5847, 7058, 7796, 10587, 11694, 14116, 15592, 21174, 23388, 28232, 31184, 42348, 46776, 56464, 84696, 93552, 118889, 169392, 215269, 237778, 356667, 430538, 475556, 645807, 713334, 861076, 951112, 1291614, 1426668, 1722152, 1902224, 2583228, 2853336, 3444304, 5166456, 5706672, 6878021, 10332912, 13756042, 20634063, 27512084, 41268126, 55024168, 82536252, 110048336, 165072504, 330145008, 419559281, 839118562, 1258677843, 1678237124, 2517355686, 3356474248, 5034711372, 6712948496, 10069422744, 20138845488]

約数ペア:

[(1, 20138845488), (2, 10069422744), (3, 6712948496), (4, 5034711372), (6, 3356474248), (8, 2517355686), (12, 1678237124), (16, 1258677843), (24, 839118562), (48, 419559281), (61, 330145008), (122, 165072504), (183, 110048336), (244, 82536252), (366, 55024168), (488, 41268126), (732, 27512084), (976, 20634063), (1464, 13756042), (1949, 10332912), (2928, 6878021), (3529, 5706672), (3898, 5166456), (5847, 3444304), (7058, 2853336), (7796, 2583228), (10587, 1902224), (11694, 1722152), (14116, 1426668), (15592, 1291614), (21174, 951112), (23388, 861076), (28232, 713334), (31184, 645807), (42348, 475556), (46776, 430538), (56464, 356667), (84696, 237778), (93552, 215269), (118889, 169392)]