20784030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 53561088

約数和(自身を除く): 32777058

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 83, 85, 102, 166, 170, 249, 255, 415, 491, 498, 510, 830, 982, 1245, 1411, 1473, 2455, 2490, 2822, 2946, 4233, 4910, 7055, 7365, 8347, 8466, 14110, 14730, 16694, 21165, 25041, 40753, 41735, 42330, 50082, 81506, 83470, 122259, 125205, 203765, 244518, 250410, 407530, 611295, 692801, 1222590, 1385602, 2078403, 3464005, 4156806, 6928010, 10392015, 20784030]

約数ペア:

[(1, 20784030), (2, 10392015), (3, 6928010), (5, 4156806), (6, 3464005), (10, 2078403), (15, 1385602), (17, 1222590), (30, 692801), (34, 611295), (51, 407530), (83, 250410), (85, 244518), (102, 203765), (166, 125205), (170, 122259), (249, 83470), (255, 81506), (415, 50082), (491, 42330), (498, 41735), (510, 40753), (830, 25041), (982, 21165), (1245, 16694), (1411, 14730), (1473, 14110), (2455, 8466), (2490, 8347), (2822, 7365), (2946, 7055), (4233, 4910)]