20565272

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 49805280

約数和(自身を除く): 29240008

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 53, 56, 82, 91, 104, 106, 164, 169, 182, 212, 287, 328, 338, 364, 371, 424, 533, 574, 676, 689, 728, 742, 1066, 1148, 1183, 1352, 1378, 1484, 2132, 2173, 2296, 2366, 2756, 2968, 3731, 4264, 4346, 4732, 4823, 5512, 6929, 7462, 8692, 8957, 9464, 9646, 13858, 14924, 15211, 17384, 17914, 19292, 27716, 28249, 29848, 30422, 35828, 38584, 48503, 55432, 56498, 60844, 62699, 71656, 97006, 112996, 121688, 125398, 194012, 197743, 225992, 250796, 367237, 388024, 395486, 501592, 734474, 790972, 1468948, 1581944, 2570659, 2937896, 5141318, 10282636, 20565272]

約数ペア:

[(1, 20565272), (2, 10282636), (4, 5141318), (7, 2937896), (8, 2570659), (13, 1581944), (14, 1468948), (26, 790972), (28, 734474), (41, 501592), (52, 395486), (53, 388024), (56, 367237), (82, 250796), (91, 225992), (104, 197743), (106, 194012), (164, 125398), (169, 121688), (182, 112996), (212, 97006), (287, 71656), (328, 62699), (338, 60844), (364, 56498), (371, 55432), (424, 48503), (533, 38584), (574, 35828), (676, 30422), (689, 29848), (728, 28249), (742, 27716), (1066, 19292), (1148, 17914), (1183, 17384), (1352, 15211), (1378, 14924), (1484, 13858), (2132, 9646), (2173, 9464), (2296, 8957), (2366, 8692), (2756, 7462), (2968, 6929), (3731, 5512), (4264, 4823), (4346, 4732)]