20315008

素因数分解:

$2^7\times 7^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 48837600

約数和(自身を除く): 28522592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 64, 79, 82, 98, 112, 128, 158, 164, 196, 224, 287, 316, 328, 392, 448, 553, 574, 632, 656, 784, 896, 1106, 1148, 1264, 1312, 1568, 2009, 2212, 2296, 2528, 2624, 3136, 3239, 3871, 4018, 4424, 4592, 5056, 5248, 6272, 6478, 7742, 8036, 8848, 9184, 10112, 12956, 15484, 16072, 17696, 18368, 22673, 25912, 30968, 32144, 35392, 36736, 45346, 51824, 61936, 64288, 70784, 90692, 103648, 123872, 128576, 158711, 181384, 207296, 247744, 257152, 317422, 362768, 414592, 495488, 634844, 725536, 1269688, 1451072, 2539376, 2902144, 5078752, 10157504, 20315008]

約数ペア:

[(1, 20315008), (2, 10157504), (4, 5078752), (7, 2902144), (8, 2539376), (14, 1451072), (16, 1269688), (28, 725536), (32, 634844), (41, 495488), (49, 414592), (56, 362768), (64, 317422), (79, 257152), (82, 247744), (98, 207296), (112, 181384), (128, 158711), (158, 128576), (164, 123872), (196, 103648), (224, 90692), (287, 70784), (316, 64288), (328, 61936), (392, 51824), (448, 45346), (553, 36736), (574, 35392), (632, 32144), (656, 30968), (784, 25912), (896, 22673), (1106, 18368), (1148, 17696), (1264, 16072), (1312, 15484), (1568, 12956), (2009, 10112), (2212, 9184), (2296, 8848), (2528, 8036), (2624, 7742), (3136, 6478), (3239, 6272), (3871, 5248), (4018, 5056), (4424, 4592)]