20630200

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 51894000

約数和(自身を除く): 31263800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 61, 76, 89, 95, 100, 122, 152, 178, 190, 200, 244, 305, 356, 380, 445, 475, 488, 610, 712, 760, 890, 950, 1159, 1220, 1525, 1691, 1780, 1900, 2225, 2318, 2440, 3050, 3382, 3560, 3800, 4450, 4636, 5429, 5795, 6100, 6764, 8455, 8900, 9272, 10858, 11590, 12200, 13528, 16910, 17800, 21716, 23180, 27145, 28975, 33820, 42275, 43432, 46360, 54290, 57950, 67640, 84550, 103151, 108580, 115900, 135725, 169100, 206302, 217160, 231800, 271450, 338200, 412604, 515755, 542900, 825208, 1031510, 1085800, 2063020, 2578775, 4126040, 5157550, 10315100, 20630200]

約数ペア:

[(1, 20630200), (2, 10315100), (4, 5157550), (5, 4126040), (8, 2578775), (10, 2063020), (19, 1085800), (20, 1031510), (25, 825208), (38, 542900), (40, 515755), (50, 412604), (61, 338200), (76, 271450), (89, 231800), (95, 217160), (100, 206302), (122, 169100), (152, 135725), (178, 115900), (190, 108580), (200, 103151), (244, 84550), (305, 67640), (356, 57950), (380, 54290), (445, 46360), (475, 43432), (488, 42275), (610, 33820), (712, 28975), (760, 27145), (890, 23180), (950, 21716), (1159, 17800), (1220, 16910), (1525, 13528), (1691, 12200), (1780, 11590), (1900, 10858), (2225, 9272), (2318, 8900), (2440, 8455), (3050, 6764), (3382, 6100), (3560, 5795), (3800, 5429), (4450, 4636)]