20219819776

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{11399}}^1$

素因数の和:11482

約数の個数: 108

約数和(自身を含む): 44774024400

約数和(自身を除く): 24554204624

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 169, 208, 256, 328, 338, 416, 533, 656, 676, 832, 1066, 1312, 1352, 1664, 2132, 2624, 2704, 3328, 4264, 5248, 5408, 6929, 8528, 10496, 10816, 11399, 13858, 17056, 21632, 22798, 27716, 34112, 43264, 45596, 55432, 68224, 91192, 110864, 136448, 148187, 182384, 221728, 296374, 364768, 443456, 467359, 592748, 729536, 886912, 934718, 1185496, 1459072, 1773824, 1869436, 1926431, 2370992, 2918144, 3738872, 3852862, 4741984, 6075667, 7477744, 7705724, 9483968, 12151334, 14955488, 15411448, 18967936, 24302668, 29910976, 30822896, 37935872, 48605336, 59821952, 61645792, 78983671, 97210672, 119643904, 123291584, 157967342, 194421344, 246583168, 315934684, 388842688, 493166336, 631869368, 777685376, 1263738736, 1555370752, 2527477472, 5054954944, 10109909888, 20219819776]

約数ペア:

[(1, 20219819776), (2, 10109909888), (4, 5054954944), (8, 2527477472), (13, 1555370752), (16, 1263738736), (26, 777685376), (32, 631869368), (41, 493166336), (52, 388842688), (64, 315934684), (82, 246583168), (104, 194421344), (128, 157967342), (164, 123291584), (169, 119643904), (208, 97210672), (256, 78983671), (328, 61645792), (338, 59821952), (416, 48605336), (533, 37935872), (656, 30822896), (676, 29910976), (832, 24302668), (1066, 18967936), (1312, 15411448), (1352, 14955488), (1664, 12151334), (2132, 9483968), (2624, 7705724), (2704, 7477744), (3328, 6075667), (4264, 4741984), (5248, 3852862), (5408, 3738872), (6929, 2918144), (8528, 2370992), (10496, 1926431), (10816, 1869436), (11399, 1773824), (13858, 1459072), (17056, 1185496), (21632, 934718), (22798, 886912), (27716, 729536), (34112, 592748), (43264, 467359), (45596, 443456), (55432, 364768), (68224, 296374), (91192, 221728), (110864, 182384), (136448, 148187)]