20180352928

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{18917}}^1$

素因数の和:19034

約数の個数: 96

約数和(自身を含む): 44021580624

約数和(自身を除く): 23841227696

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 53, 68, 74, 106, 136, 148, 212, 272, 296, 424, 544, 592, 629, 848, 901, 1184, 1258, 1696, 1802, 1961, 2516, 3604, 3922, 5032, 7208, 7844, 10064, 14416, 15688, 18917, 20128, 28832, 31376, 33337, 37834, 62752, 66674, 75668, 133348, 151336, 266696, 302672, 321589, 533392, 605344, 643178, 699929, 1002601, 1066784, 1286356, 1399858, 2005202, 2572712, 2799716, 4010404, 5145424, 5599432, 8020808, 10290848, 11198864, 11898793, 16041616, 17044217, 22397728, 23797586, 32083232, 34088434, 37096237, 47595172, 68176868, 74192474, 95190344, 136353736, 148384948, 190380688, 272707472, 296769896, 380761376, 545414944, 593539792, 630636029, 1187079584, 1261272058, 2522544116, 5045088232, 10090176464, 20180352928]

約数ペア:

[(1, 20180352928), (2, 10090176464), (4, 5045088232), (8, 2522544116), (16, 1261272058), (17, 1187079584), (32, 630636029), (34, 593539792), (37, 545414944), (53, 380761376), (68, 296769896), (74, 272707472), (106, 190380688), (136, 148384948), (148, 136353736), (212, 95190344), (272, 74192474), (296, 68176868), (424, 47595172), (544, 37096237), (592, 34088434), (629, 32083232), (848, 23797586), (901, 22397728), (1184, 17044217), (1258, 16041616), (1696, 11898793), (1802, 11198864), (1961, 10290848), (2516, 8020808), (3604, 5599432), (3922, 5145424), (5032, 4010404), (7208, 2799716), (7844, 2572712), (10064, 2005202), (14416, 1399858), (15688, 1286356), (18917, 1066784), (20128, 1002601), (28832, 699929), (31376, 643178), (33337, 605344), (37834, 533392), (62752, 321589), (66674, 302672), (75668, 266696), (133348, 151336)]