20565993996

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{227873}}^1$

素因数の和:228015

約数の個数: 72

約数和(自身を含む): 54744449760

約数和(自身を除く): 34178455764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 109, 138, 207, 218, 276, 327, 414, 436, 654, 828, 981, 1308, 1962, 2507, 3924, 5014, 7521, 10028, 15042, 22563, 30084, 45126, 90252, 227873, 455746, 683619, 911492, 1367238, 2050857, 2734476, 4101714, 5241079, 8203428, 10482158, 15723237, 20964316, 24838157, 31446474, 47169711, 49676314, 62892948, 74514471, 94339422, 99352628, 149028942, 188678844, 223543413, 298057884, 447086826, 571277611, 894173652, 1142555222, 1713832833, 2285110444, 3427665666, 5141498499, 6855331332, 10282996998, 20565993996]

約数ペア:

[(1, 20565993996), (2, 10282996998), (3, 6855331332), (4, 5141498499), (6, 3427665666), (9, 2285110444), (12, 1713832833), (18, 1142555222), (23, 894173652), (36, 571277611), (46, 447086826), (69, 298057884), (92, 223543413), (109, 188678844), (138, 149028942), (207, 99352628), (218, 94339422), (276, 74514471), (327, 62892948), (414, 49676314), (436, 47169711), (654, 31446474), (828, 24838157), (981, 20964316), (1308, 15723237), (1962, 10482158), (2507, 8203428), (3924, 5241079), (5014, 4101714), (7521, 2734476), (10028, 2050857), (15042, 1367238), (22563, 911492), (30084, 683619), (45126, 455746), (90252, 227873)]