20179075275

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{823}}^1\times {\mathrm{1847}}^1$

素因数の和:2745

約数の個数: 72

約数和(自身を含む): 36820143360

約数和(自身を除く): 16641068085

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 177, 225, 295, 531, 823, 885, 1475, 1847, 2469, 2655, 4115, 4425, 5541, 7407, 9235, 12345, 13275, 16623, 20575, 27705, 37035, 46175, 48557, 61725, 83115, 108973, 138525, 145671, 185175, 242785, 326919, 415575, 437013, 544865, 728355, 980757, 1213925, 1520081, 1634595, 2185065, 2724325, 3641775, 4560243, 4903785, 7600405, 8172975, 10925325, 13680729, 22801215, 24518925, 38002025, 68403645, 89684779, 114006075, 269054337, 342018225, 448423895, 807163011, 1345271685, 2242119475, 4035815055, 6726358425, 20179075275]

約数ペア:

[(1, 20179075275), (3, 6726358425), (5, 4035815055), (9, 2242119475), (15, 1345271685), (25, 807163011), (45, 448423895), (59, 342018225), (75, 269054337), (177, 114006075), (225, 89684779), (295, 68403645), (531, 38002025), (823, 24518925), (885, 22801215), (1475, 13680729), (1847, 10925325), (2469, 8172975), (2655, 7600405), (4115, 4903785), (4425, 4560243), (5541, 3641775), (7407, 2724325), (9235, 2185065), (12345, 1634595), (13275, 1520081), (16623, 1213925), (20575, 980757), (27705, 728355), (37035, 544865), (46175, 437013), (48557, 415575), (61725, 326919), (83115, 242785), (108973, 185175), (138525, 145671)]