20129904

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{2741}}^1$

素因数の和:2775

約数の個数: 80

約数和(自身を含む): 61201440

約数和(自身を除く): 41071536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 102, 108, 136, 144, 153, 204, 216, 272, 306, 408, 432, 459, 612, 816, 918, 1224, 1836, 2448, 2741, 3672, 5482, 7344, 8223, 10964, 16446, 21928, 24669, 32892, 43856, 46597, 49338, 65784, 74007, 93194, 98676, 131568, 139791, 148014, 186388, 197352, 279582, 296028, 372776, 394704, 419373, 559164, 592056, 745552, 838746, 1118328, 1184112, 1258119, 1677492, 2236656, 2516238, 3354984, 5032476, 6709968, 10064952, 20129904]

約数ペア:

[(1, 20129904), (2, 10064952), (3, 6709968), (4, 5032476), (6, 3354984), (8, 2516238), (9, 2236656), (12, 1677492), (16, 1258119), (17, 1184112), (18, 1118328), (24, 838746), (27, 745552), (34, 592056), (36, 559164), (48, 419373), (51, 394704), (54, 372776), (68, 296028), (72, 279582), (102, 197352), (108, 186388), (136, 148014), (144, 139791), (153, 131568), (204, 98676), (216, 93194), (272, 74007), (306, 65784), (408, 49338), (432, 46597), (459, 43856), (612, 32892), (816, 24669), (918, 21928), (1224, 16446), (1836, 10964), (2448, 8223), (2741, 7344), (3672, 5482)]