20408959656

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{7547}}^1$

素因数の和:7676

約数の個数: 144

約数和(自身を含む): 58603577760

約数和(自身を除く): 38194618104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 71, 72, 92, 138, 142, 184, 207, 213, 276, 284, 414, 426, 529, 552, 568, 639, 828, 852, 1058, 1278, 1587, 1633, 1656, 1704, 2116, 2556, 3174, 3266, 4232, 4761, 4899, 5112, 6348, 6532, 7547, 9522, 9798, 12696, 13064, 14697, 15094, 19044, 19596, 22641, 29394, 30188, 37559, 38088, 39192, 45282, 58788, 60376, 67923, 75118, 90564, 112677, 117576, 135846, 150236, 173581, 181128, 225354, 271692, 300472, 338031, 347162, 450708, 520743, 535837, 543384, 676062, 694324, 901416, 1041486, 1071674, 1352124, 1388648, 1562229, 1607511, 2082972, 2143348, 2704248, 3124458, 3215022, 3992363, 4165944, 4286696, 4822533, 6248916, 6430044, 7984726, 9645066, 11977089, 12324251, 12497832, 12860088, 15969452, 19290132, 23954178, 24648502, 31938904, 35931267, 36972753, 38580264, 47908356, 49297004, 71862534, 73945506, 95816712, 98594008, 110918259, 143725068, 147891012, 221836518, 283457773, 287450136, 295782024, 443673036, 566915546, 850373319, 887346072, 1133831092, 1700746638, 2267662184, 2551119957, 3401493276, 5102239914, 6802986552, 10204479828, 20408959656]

約数ペア:

[(1, 20408959656), (2, 10204479828), (3, 6802986552), (4, 5102239914), (6, 3401493276), (8, 2551119957), (9, 2267662184), (12, 1700746638), (18, 1133831092), (23, 887346072), (24, 850373319), (36, 566915546), (46, 443673036), (69, 295782024), (71, 287450136), (72, 283457773), (92, 221836518), (138, 147891012), (142, 143725068), (184, 110918259), (207, 98594008), (213, 95816712), (276, 73945506), (284, 71862534), (414, 49297004), (426, 47908356), (529, 38580264), (552, 36972753), (568, 35931267), (639, 31938904), (828, 24648502), (852, 23954178), (1058, 19290132), (1278, 15969452), (1587, 12860088), (1633, 12497832), (1656, 12324251), (1704, 11977089), (2116, 9645066), (2556, 7984726), (3174, 6430044), (3266, 6248916), (4232, 4822533), (4761, 4286696), (4899, 4165944), (5112, 3992363), (6348, 3215022), (6532, 3124458), (7547, 2704248), (9522, 2143348), (9798, 2082972), (12696, 1607511), (13064, 1562229), (14697, 1388648), (15094, 1352124), (19044, 1071674), (19596, 1041486), (22641, 901416), (29394, 694324), (30188, 676062), (37559, 543384), (38088, 535837), (39192, 520743), (45282, 450708), (58788, 347162), (60376, 338031), (67923, 300472), (75118, 271692), (90564, 225354), (112677, 181128), (117576, 173581), (135846, 150236)]