20785579780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{37313}}^1$

素因数の和:37525

約数の個数: 96

約数和(自身を含む): 52356616704

約数和(自身を除く): 31571036924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 173, 230, 322, 346, 460, 644, 692, 805, 865, 1211, 1610, 1730, 2422, 3220, 3460, 3979, 4844, 6055, 7958, 12110, 15916, 19895, 24220, 27853, 37313, 39790, 55706, 74626, 79580, 111412, 139265, 149252, 186565, 261191, 278530, 373130, 522382, 557060, 746260, 858199, 1044764, 1305955, 1716398, 2611910, 3432796, 4290995, 5223820, 6007393, 6455149, 8581990, 12014786, 12910298, 17163980, 24029572, 25820596, 30036965, 32275745, 45186043, 60073930, 64551490, 90372086, 120147860, 129102980, 148468427, 180744172, 225930215, 296936854, 451860430, 593873708, 742342135, 903720860, 1039278989, 1484684270, 2078557978, 2969368540, 4157115956, 5196394945, 10392789890, 20785579780]

約数ペア:

[(1, 20785579780), (2, 10392789890), (4, 5196394945), (5, 4157115956), (7, 2969368540), (10, 2078557978), (14, 1484684270), (20, 1039278989), (23, 903720860), (28, 742342135), (35, 593873708), (46, 451860430), (70, 296936854), (92, 225930215), (115, 180744172), (140, 148468427), (161, 129102980), (173, 120147860), (230, 90372086), (322, 64551490), (346, 60073930), (460, 45186043), (644, 32275745), (692, 30036965), (805, 25820596), (865, 24029572), (1211, 17163980), (1610, 12910298), (1730, 12014786), (2422, 8581990), (3220, 6455149), (3460, 6007393), (3979, 5223820), (4844, 4290995), (6055, 3432796), (7958, 2611910), (12110, 1716398), (15916, 1305955), (19895, 1044764), (24220, 858199), (27853, 746260), (37313, 557060), (39790, 522382), (55706, 373130), (74626, 278530), (79580, 261191), (111412, 186565), (139265, 149252)]