20199982075

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{6661}}^1$

素因数の和:6765

約数の個数: 96

約数和(自身を含む): 32567693312

約数和(自身を除く): 12367711237

約数列:

[1, 5, 7, 13, 25, 31, 35, 43, 65, 91, 155, 175, 215, 217, 301, 325, 403, 455, 559, 775, 1075, 1085, 1333, 1505, 2015, 2275, 2795, 2821, 3913, 5425, 6661, 6665, 7525, 9331, 10075, 13975, 14105, 17329, 19565, 33305, 33325, 46627, 46655, 70525, 86593, 86645, 97825, 121303, 166525, 206491, 233135, 233275, 286423, 432965, 433225, 606151, 606515, 1032455, 1165675, 1432115, 1445437, 2004961, 2164825, 2684383, 3030755, 3032575, 3723499, 5162275, 7160575, 7227185, 8879113, 10024805, 13421915, 15153775, 18617495, 18790681, 26064493, 36135925, 44395565, 50124025, 62153791, 67109575, 93087475, 93953405, 115428469, 130322465, 221977825, 310768955, 469767025, 577142345, 651612325, 807999283, 1553844775, 2885711725, 4039996415, 20199982075]

約数ペア:

[(1, 20199982075), (5, 4039996415), (7, 2885711725), (13, 1553844775), (25, 807999283), (31, 651612325), (35, 577142345), (43, 469767025), (65, 310768955), (91, 221977825), (155, 130322465), (175, 115428469), (215, 93953405), (217, 93087475), (301, 67109575), (325, 62153791), (403, 50124025), (455, 44395565), (559, 36135925), (775, 26064493), (1075, 18790681), (1085, 18617495), (1333, 15153775), (1505, 13421915), (2015, 10024805), (2275, 8879113), (2795, 7227185), (2821, 7160575), (3913, 5162275), (5425, 3723499), (6661, 3032575), (6665, 3030755), (7525, 2684383), (9331, 2164825), (10075, 2004961), (13975, 1445437), (14105, 1432115), (17329, 1165675), (19565, 1032455), (33305, 606515), (33325, 606151), (46627, 433225), (46655, 432965), (70525, 286423), (86593, 233275), (86645, 233135), (97825, 206491), (121303, 166525)]