20009952

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 62152272

約数和(自身を除く): 42142320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 61, 67, 68, 72, 96, 102, 122, 134, 136, 144, 153, 183, 201, 204, 244, 268, 272, 288, 306, 366, 402, 408, 488, 536, 544, 549, 603, 612, 732, 804, 816, 976, 1037, 1072, 1098, 1139, 1206, 1224, 1464, 1608, 1632, 1952, 2074, 2144, 2196, 2278, 2412, 2448, 2928, 3111, 3216, 3417, 4087, 4148, 4392, 4556, 4824, 4896, 5856, 6222, 6432, 6834, 8174, 8296, 8784, 9112, 9333, 9648, 10251, 12261, 12444, 13668, 16348, 16592, 17568, 18224, 18666, 19296, 20502, 24522, 24888, 27336, 32696, 33184, 36448, 36783, 37332, 41004, 49044, 49776, 54672, 65392, 69479, 73566, 74664, 82008, 98088, 99552, 109344, 130784, 138958, 147132, 149328, 164016, 196176, 208437, 277916, 294264, 298656, 328032, 392352, 416874, 555832, 588528, 625311, 833748, 1111664, 1177056, 1250622, 1667496, 2223328, 2501244, 3334992, 5002488, 6669984, 10004976, 20009952]

約数ペア:

[(1, 20009952), (2, 10004976), (3, 6669984), (4, 5002488), (6, 3334992), (8, 2501244), (9, 2223328), (12, 1667496), (16, 1250622), (17, 1177056), (18, 1111664), (24, 833748), (32, 625311), (34, 588528), (36, 555832), (48, 416874), (51, 392352), (61, 328032), (67, 298656), (68, 294264), (72, 277916), (96, 208437), (102, 196176), (122, 164016), (134, 149328), (136, 147132), (144, 138958), (153, 130784), (183, 109344), (201, 99552), (204, 98088), (244, 82008), (268, 74664), (272, 73566), (288, 69479), (306, 65392), (366, 54672), (402, 49776), (408, 49044), (488, 41004), (536, 37332), (544, 36783), (549, 36448), (603, 33184), (612, 32696), (732, 27336), (804, 24888), (816, 24522), (976, 20502), (1037, 19296), (1072, 18666), (1098, 18224), (1139, 17568), (1206, 16592), (1224, 16348), (1464, 13668), (1608, 12444), (1632, 12261), (1952, 10251), (2074, 9648), (2144, 9333), (2196, 9112), (2278, 8784), (2412, 8296), (2448, 8174), (2928, 6834), (3111, 6432), (3216, 6222), (3417, 5856), (4087, 4896), (4148, 4824), (4392, 4556)]