20872479488

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{21139}}^1$

素因数の和:21210

約数の個数: 144

約数和(自身を含む): 51852192000

約数和(自身を除く): 30979712512

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 32, 38, 56, 58, 64, 76, 112, 116, 128, 133, 152, 203, 224, 232, 256, 266, 304, 406, 448, 464, 532, 551, 608, 812, 896, 928, 1064, 1102, 1216, 1624, 1792, 1856, 2128, 2204, 2432, 3248, 3712, 3857, 4256, 4408, 4864, 6496, 7424, 7714, 8512, 8816, 12992, 15428, 17024, 17632, 21139, 25984, 30856, 34048, 35264, 42278, 51968, 61712, 70528, 84556, 123424, 141056, 147973, 169112, 246848, 295946, 338224, 401641, 493696, 591892, 613031, 676448, 803282, 987392, 1183784, 1226062, 1352896, 1606564, 2367568, 2452124, 2705792, 2811487, 3213128, 4291217, 4735136, 4904248, 5411584, 5622974, 6426256, 8582434, 9470272, 9808496, 11245948, 11647589, 12852512, 17164868, 18940544, 19616992, 22491896, 23295178, 25705024, 34329736, 37881088, 39233984, 44983792, 46590356, 51410048, 68659472, 78467968, 81533123, 89967584, 93180712, 102820096, 137318944, 156935936, 163066246, 179935168, 186361424, 274637888, 326132492, 359870336, 372722848, 549275776, 652264984, 719740672, 745445696, 1098551552, 1304529968, 1490891392, 2609059936, 2981782784, 5218119872, 10436239744, 20872479488]

約数ペア:

[(1, 20872479488), (2, 10436239744), (4, 5218119872), (7, 2981782784), (8, 2609059936), (14, 1490891392), (16, 1304529968), (19, 1098551552), (28, 745445696), (29, 719740672), (32, 652264984), (38, 549275776), (56, 372722848), (58, 359870336), (64, 326132492), (76, 274637888), (112, 186361424), (116, 179935168), (128, 163066246), (133, 156935936), (152, 137318944), (203, 102820096), (224, 93180712), (232, 89967584), (256, 81533123), (266, 78467968), (304, 68659472), (406, 51410048), (448, 46590356), (464, 44983792), (532, 39233984), (551, 37881088), (608, 34329736), (812, 25705024), (896, 23295178), (928, 22491896), (1064, 19616992), (1102, 18940544), (1216, 17164868), (1624, 12852512), (1792, 11647589), (1856, 11245948), (2128, 9808496), (2204, 9470272), (2432, 8582434), (3248, 6426256), (3712, 5622974), (3857, 5411584), (4256, 4904248), (4408, 4735136), (4864, 4291217), (6496, 3213128), (7424, 2811487), (7714, 2705792), (8512, 2452124), (8816, 2367568), (12992, 1606564), (15428, 1352896), (17024, 1226062), (17632, 1183784), (21139, 987392), (25984, 803282), (30856, 676448), (34048, 613031), (35264, 591892), (42278, 493696), (51968, 401641), (61712, 338224), (70528, 295946), (84556, 246848), (123424, 169112), (141056, 147973)]