20007648

素因数分解:

$2^5\times 3^5\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 144

約数和(自身を含む): 61641216

約数和(自身を除く): 41633568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 81, 83, 93, 96, 108, 124, 144, 162, 166, 186, 216, 243, 248, 249, 279, 288, 324, 332, 372, 432, 486, 496, 498, 558, 648, 664, 744, 747, 837, 864, 972, 992, 996, 1116, 1296, 1328, 1488, 1494, 1674, 1944, 1992, 2232, 2241, 2511, 2573, 2592, 2656, 2976, 2988, 3348, 3888, 3984, 4464, 4482, 5022, 5146, 5976, 6696, 6723, 7533, 7719, 7776, 7968, 8928, 8964, 10044, 10292, 11952, 13392, 13446, 15066, 15438, 17928, 20088, 20169, 20584, 23157, 23904, 26784, 26892, 30132, 30876, 35856, 40176, 40338, 41168, 46314, 53784, 60264, 61752, 69471, 71712, 80352, 80676, 82336, 92628, 107568, 120528, 123504, 138942, 161352, 185256, 208413, 215136, 241056, 247008, 277884, 322704, 370512, 416826, 555768, 625239, 645408, 741024, 833652, 1111536, 1250478, 1667304, 2223072, 2500956, 3334608, 5001912, 6669216, 10003824, 20007648]

約数ペア:

[(1, 20007648), (2, 10003824), (3, 6669216), (4, 5001912), (6, 3334608), (8, 2500956), (9, 2223072), (12, 1667304), (16, 1250478), (18, 1111536), (24, 833652), (27, 741024), (31, 645408), (32, 625239), (36, 555768), (48, 416826), (54, 370512), (62, 322704), (72, 277884), (81, 247008), (83, 241056), (93, 215136), (96, 208413), (108, 185256), (124, 161352), (144, 138942), (162, 123504), (166, 120528), (186, 107568), (216, 92628), (243, 82336), (248, 80676), (249, 80352), (279, 71712), (288, 69471), (324, 61752), (332, 60264), (372, 53784), (432, 46314), (486, 41168), (496, 40338), (498, 40176), (558, 35856), (648, 30876), (664, 30132), (744, 26892), (747, 26784), (837, 23904), (864, 23157), (972, 20584), (992, 20169), (996, 20088), (1116, 17928), (1296, 15438), (1328, 15066), (1488, 13446), (1494, 13392), (1674, 11952), (1944, 10292), (1992, 10044), (2232, 8964), (2241, 8928), (2511, 7968), (2573, 7776), (2592, 7719), (2656, 7533), (2976, 6723), (2988, 6696), (3348, 5976), (3888, 5146), (3984, 5022), (4464, 4482)]