20176411240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{1213}}^1$

素因数の和:1703

約数の個数: 128

約数和(自身を含む): 49017532320

約数和(自身を除く): 28841121080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 401, 488, 610, 680, 802, 1037, 1213, 1220, 1604, 2005, 2074, 2426, 2440, 3208, 4010, 4148, 4852, 5185, 6065, 6817, 8020, 8296, 9704, 10370, 12130, 13634, 16040, 20621, 20740, 24260, 24461, 27268, 34085, 41242, 41480, 48520, 48922, 54536, 68170, 73993, 82484, 97844, 103105, 122305, 136340, 147986, 164968, 195688, 206210, 244610, 272680, 295972, 369965, 412420, 415837, 486413, 489220, 591944, 739930, 824840, 831674, 972826, 978440, 1257881, 1479860, 1663348, 1945652, 2079185, 2432065, 2515762, 2959720, 3326696, 3891304, 4158370, 4864130, 5031524, 6289405, 8269021, 8316740, 9728260, 10063048, 12578810, 16538042, 16633480, 19456520, 25157620, 29671193, 33076084, 41345105, 50315240, 59342386, 66152168, 82690210, 118684772, 148355965, 165380420, 237369544, 296711930, 330760840, 504410281, 593423860, 1008820562, 1186847720, 2017641124, 2522051405, 4035282248, 5044102810, 10088205620, 20176411240]

約数ペア:

[(1, 20176411240), (2, 10088205620), (4, 5044102810), (5, 4035282248), (8, 2522051405), (10, 2017641124), (17, 1186847720), (20, 1008820562), (34, 593423860), (40, 504410281), (61, 330760840), (68, 296711930), (85, 237369544), (122, 165380420), (136, 148355965), (170, 118684772), (244, 82690210), (305, 66152168), (340, 59342386), (401, 50315240), (488, 41345105), (610, 33076084), (680, 29671193), (802, 25157620), (1037, 19456520), (1213, 16633480), (1220, 16538042), (1604, 12578810), (2005, 10063048), (2074, 9728260), (2426, 8316740), (2440, 8269021), (3208, 6289405), (4010, 5031524), (4148, 4864130), (4852, 4158370), (5185, 3891304), (6065, 3326696), (6817, 2959720), (8020, 2515762), (8296, 2432065), (9704, 2079185), (10370, 1945652), (12130, 1663348), (13634, 1479860), (16040, 1257881), (20621, 978440), (20740, 972826), (24260, 831674), (24461, 824840), (27268, 739930), (34085, 591944), (41242, 489220), (41480, 486413), (48520, 415837), (48922, 412420), (54536, 369965), (68170, 295972), (73993, 272680), (82484, 244610), (97844, 206210), (103105, 195688), (122305, 164968), (136340, 147986)]