20941344

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 64864800

約数和(自身を除く): 43923456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 43, 48, 57, 72, 76, 86, 89, 96, 114, 129, 144, 152, 171, 172, 178, 228, 258, 267, 288, 304, 342, 344, 356, 387, 456, 516, 534, 608, 684, 688, 712, 774, 801, 817, 912, 1032, 1068, 1368, 1376, 1424, 1548, 1602, 1634, 1691, 1824, 2064, 2136, 2451, 2736, 2848, 3096, 3204, 3268, 3382, 3827, 4128, 4272, 4902, 5073, 5472, 6192, 6408, 6536, 6764, 7353, 7654, 8544, 9804, 10146, 11481, 12384, 12816, 13072, 13528, 14706, 15219, 15308, 19608, 20292, 22962, 25632, 26144, 27056, 29412, 30438, 30616, 34443, 39216, 40584, 45924, 54112, 58824, 60876, 61232, 68886, 72713, 78432, 81168, 91848, 117648, 121752, 122464, 137772, 145426, 162336, 183696, 218139, 235296, 243504, 275544, 290852, 367392, 436278, 487008, 551088, 581704, 654417, 872556, 1102176, 1163408, 1308834, 1745112, 2326816, 2617668, 3490224, 5235336, 6980448, 10470672, 20941344]

約数ペア:

[(1, 20941344), (2, 10470672), (3, 6980448), (4, 5235336), (6, 3490224), (8, 2617668), (9, 2326816), (12, 1745112), (16, 1308834), (18, 1163408), (19, 1102176), (24, 872556), (32, 654417), (36, 581704), (38, 551088), (43, 487008), (48, 436278), (57, 367392), (72, 290852), (76, 275544), (86, 243504), (89, 235296), (96, 218139), (114, 183696), (129, 162336), (144, 145426), (152, 137772), (171, 122464), (172, 121752), (178, 117648), (228, 91848), (258, 81168), (267, 78432), (288, 72713), (304, 68886), (342, 61232), (344, 60876), (356, 58824), (387, 54112), (456, 45924), (516, 40584), (534, 39216), (608, 34443), (684, 30616), (688, 30438), (712, 29412), (774, 27056), (801, 26144), (817, 25632), (912, 22962), (1032, 20292), (1068, 19608), (1368, 15308), (1376, 15219), (1424, 14706), (1548, 13528), (1602, 13072), (1634, 12816), (1691, 12384), (1824, 11481), (2064, 10146), (2136, 9804), (2451, 8544), (2736, 7654), (2848, 7353), (3096, 6764), (3204, 6536), (3268, 6408), (3382, 6192), (3827, 5472), (4128, 5073), (4272, 4902)]