20031032

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 46422720

約数和(自身を除く): 26391688

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 53, 56, 68, 106, 119, 136, 212, 238, 371, 397, 424, 476, 742, 794, 901, 952, 1484, 1588, 1802, 2779, 2968, 3176, 3604, 5558, 6307, 6749, 7208, 11116, 12614, 13498, 21041, 22232, 25228, 26996, 42082, 47243, 50456, 53992, 84164, 94486, 147287, 168328, 188972, 294574, 357697, 377944, 589148, 715394, 1178296, 1430788, 2503879, 2861576, 5007758, 10015516, 20031032]

約数ペア:

[(1, 20031032), (2, 10015516), (4, 5007758), (7, 2861576), (8, 2503879), (14, 1430788), (17, 1178296), (28, 715394), (34, 589148), (53, 377944), (56, 357697), (68, 294574), (106, 188972), (119, 168328), (136, 147287), (212, 94486), (238, 84164), (371, 53992), (397, 50456), (424, 47243), (476, 42082), (742, 26996), (794, 25228), (901, 22232), (952, 21041), (1484, 13498), (1588, 12614), (1802, 11116), (2779, 7208), (2968, 6749), (3176, 6307), (3604, 5558)]