20194121668

素因数分解:

$2^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{601}}^1\times {\mathrm{683}}^1$

素因数の和:1553

約数の個数: 72

約数和(自身を含む): 41402448864

約数和(自身を除く): 21208327196

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 251, 502, 601, 683, 1004, 1202, 1366, 1757, 2404, 2732, 3514, 4207, 4781, 7028, 8414, 9562, 12299, 16828, 19124, 24598, 29449, 33467, 49196, 58898, 66934, 117796, 133868, 150851, 171433, 301702, 342866, 410483, 603404, 685732, 820966, 1055957, 1200031, 1641932, 2111914, 2400062, 2873381, 4223828, 4800124, 5746762, 7391699, 8400217, 11493524, 14783398, 16800434, 20113667, 29566796, 33600868, 40227334, 80454668, 103031233, 206062466, 412124932, 721218631, 1442437262, 2884874524, 5048530417, 10097060834, 20194121668]

約数ペア:

[(1, 20194121668), (2, 10097060834), (4, 5048530417), (7, 2884874524), (14, 1442437262), (28, 721218631), (49, 412124932), (98, 206062466), (196, 103031233), (251, 80454668), (502, 40227334), (601, 33600868), (683, 29566796), (1004, 20113667), (1202, 16800434), (1366, 14783398), (1757, 11493524), (2404, 8400217), (2732, 7391699), (3514, 5746762), (4207, 4800124), (4781, 4223828), (7028, 2873381), (8414, 2400062), (9562, 2111914), (12299, 1641932), (16828, 1200031), (19124, 1055957), (24598, 820966), (29449, 685732), (33467, 603404), (49196, 410483), (58898, 342866), (66934, 301702), (117796, 171433), (133868, 150851)]