20160921248

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{219293}}^1$

素因数の和:219346

約数の個数: 72

約数和(自身を含む): 45508329468

約数和(自身を除く): 25347408220

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 169, 208, 221, 272, 338, 416, 442, 544, 676, 884, 1352, 1768, 2704, 2873, 3536, 5408, 5746, 7072, 11492, 22984, 45968, 91936, 219293, 438586, 877172, 1754344, 2850809, 3508688, 3727981, 5701618, 7017376, 7455962, 11403236, 14911924, 22806472, 29823848, 37060517, 45612944, 48463753, 59647696, 74121034, 91225888, 96927506, 119295392, 148242068, 193855012, 296484136, 387710024, 592968272, 630028789, 775420048, 1185936544, 1260057578, 1550840096, 2520115156, 5040230312, 10080460624, 20160921248]

約数ペア:

[(1, 20160921248), (2, 10080460624), (4, 5040230312), (8, 2520115156), (13, 1550840096), (16, 1260057578), (17, 1185936544), (26, 775420048), (32, 630028789), (34, 592968272), (52, 387710024), (68, 296484136), (104, 193855012), (136, 148242068), (169, 119295392), (208, 96927506), (221, 91225888), (272, 74121034), (338, 59647696), (416, 48463753), (442, 45612944), (544, 37060517), (676, 29823848), (884, 22806472), (1352, 14911924), (1768, 11403236), (2704, 7455962), (2873, 7017376), (3536, 5701618), (5408, 3727981), (5746, 3508688), (7072, 2850809), (11492, 1754344), (22984, 877172), (45968, 438586), (91936, 219293)]