2016301820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{13873}}^1$

素因数の和:13951

約数の個数: 72

約数和(自身を含む): 4691964816

約数和(自身を除く): 2675662996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 169, 172, 215, 260, 338, 430, 559, 676, 845, 860, 1118, 1690, 2236, 2795, 3380, 5590, 7267, 11180, 13873, 14534, 27746, 29068, 36335, 55492, 69365, 72670, 138730, 145340, 180349, 277460, 360698, 596539, 721396, 901745, 1193078, 1803490, 2344537, 2386156, 2982695, 3606980, 4689074, 5965390, 7755007, 9378148, 11722685, 11930780, 15510014, 23445370, 31020028, 38775035, 46890740, 77550070, 100815091, 155100140, 201630182, 403260364, 504075455, 1008150910, 2016301820]

約数ペア:

[(1, 2016301820), (2, 1008150910), (4, 504075455), (5, 403260364), (10, 201630182), (13, 155100140), (20, 100815091), (26, 77550070), (43, 46890740), (52, 38775035), (65, 31020028), (86, 23445370), (130, 15510014), (169, 11930780), (172, 11722685), (215, 9378148), (260, 7755007), (338, 5965390), (430, 4689074), (559, 3606980), (676, 2982695), (845, 2386156), (860, 2344537), (1118, 1803490), (1690, 1193078), (2236, 901745), (2795, 721396), (3380, 596539), (5590, 360698), (7267, 277460), (11180, 180349), (13873, 145340), (14534, 138730), (27746, 72670), (29068, 69365), (36335, 55492)]