20199131988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2897179}}^1$

素因数の和:2897276

約数の個数: 48

約数和(自身を含む): 54513338880

約数和(自身を除く): 34314206892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 996, 1162, 1743, 2324, 3486, 6972, 2897179, 5794358, 8691537, 11588716, 17383074, 20280253, 34766148, 40560506, 60840759, 81121012, 121681518, 240465857, 243363036, 480931714, 721397571, 961863428, 1442795142, 1683260999, 2885590284, 3366521998, 5049782997, 6733043996, 10099565994, 20199131988]

約数ペア:

[(1, 20199131988), (2, 10099565994), (3, 6733043996), (4, 5049782997), (6, 3366521998), (7, 2885590284), (12, 1683260999), (14, 1442795142), (21, 961863428), (28, 721397571), (42, 480931714), (83, 243363036), (84, 240465857), (166, 121681518), (249, 81121012), (332, 60840759), (498, 40560506), (581, 34766148), (996, 20280253), (1162, 17383074), (1743, 11588716), (2324, 8691537), (3486, 5794358), (6972, 2897179)]