20218944

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:168

約数の個数: 112

約数和(自身を含む): 57221120

約数和(自身を除く): 37002176

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 43, 48, 62, 64, 79, 86, 93, 96, 124, 129, 158, 172, 186, 192, 237, 248, 258, 316, 344, 372, 474, 496, 516, 632, 688, 744, 948, 992, 1032, 1264, 1333, 1376, 1488, 1896, 1984, 2064, 2449, 2528, 2666, 2752, 2976, 3397, 3792, 3999, 4128, 4898, 5056, 5332, 5952, 6794, 7347, 7584, 7998, 8256, 9796, 10191, 10664, 13588, 14694, 15168, 15996, 19592, 20382, 21328, 27176, 29388, 31992, 39184, 40764, 42656, 54352, 58776, 63984, 78368, 81528, 85312, 105307, 108704, 117552, 127968, 156736, 163056, 210614, 217408, 235104, 255936, 315921, 326112, 421228, 470208, 631842, 652224, 842456, 1263684, 1684912, 2527368, 3369824, 5054736, 6739648, 10109472, 20218944]

約数ペア:

[(1, 20218944), (2, 10109472), (3, 6739648), (4, 5054736), (6, 3369824), (8, 2527368), (12, 1684912), (16, 1263684), (24, 842456), (31, 652224), (32, 631842), (43, 470208), (48, 421228), (62, 326112), (64, 315921), (79, 255936), (86, 235104), (93, 217408), (96, 210614), (124, 163056), (129, 156736), (158, 127968), (172, 117552), (186, 108704), (192, 105307), (237, 85312), (248, 81528), (258, 78368), (316, 63984), (344, 58776), (372, 54352), (474, 42656), (496, 40764), (516, 39184), (632, 31992), (688, 29388), (744, 27176), (948, 21328), (992, 20382), (1032, 19592), (1264, 15996), (1333, 15168), (1376, 14694), (1488, 13588), (1896, 10664), (1984, 10191), (2064, 9796), (2449, 8256), (2528, 7998), (2666, 7584), (2752, 7347), (2976, 6794), (3397, 5952), (3792, 5332), (3999, 5056), (4128, 4898)]