20210875790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{1373}}^1$

素因数の和:1674

約数の個数: 128

約数和(自身を含む): 44674301952

約数和(自身を除く): 24463426162

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 41, 46, 70, 82, 115, 161, 205, 223, 230, 287, 322, 410, 446, 574, 805, 943, 1115, 1373, 1435, 1561, 1610, 1886, 2230, 2746, 2870, 3122, 4715, 5129, 6601, 6865, 7805, 9143, 9430, 9611, 10258, 13202, 13730, 15610, 18286, 19222, 25645, 31579, 33005, 35903, 45715, 48055, 51290, 56293, 63158, 64001, 66010, 71806, 91430, 96110, 112586, 128002, 157895, 179515, 210289, 221053, 281465, 306179, 315790, 320005, 359030, 394051, 420578, 442106, 562930, 612358, 640010, 788102, 1051445, 1105265, 1294739, 1472023, 1530895, 1970255, 2102890, 2143253, 2210530, 2589478, 2944046, 3061790, 3940510, 4286506, 6473695, 7042117, 7360115, 9063173, 10716265, 12553339, 12947390, 14084234, 14720230, 18126346, 21432530, 25106678, 35210585, 45315865, 49294819, 62766695, 70421170, 87873373, 90631730, 98589638, 125533390, 175746746, 246474095, 288726797, 439366865, 492948190, 577453594, 878733730, 1443633985, 2021087579, 2887267970, 4042175158, 10105437895, 20210875790]

約数ペア:

[(1, 20210875790), (2, 10105437895), (5, 4042175158), (7, 2887267970), (10, 2021087579), (14, 1443633985), (23, 878733730), (35, 577453594), (41, 492948190), (46, 439366865), (70, 288726797), (82, 246474095), (115, 175746746), (161, 125533390), (205, 98589638), (223, 90631730), (230, 87873373), (287, 70421170), (322, 62766695), (410, 49294819), (446, 45315865), (574, 35210585), (805, 25106678), (943, 21432530), (1115, 18126346), (1373, 14720230), (1435, 14084234), (1561, 12947390), (1610, 12553339), (1886, 10716265), (2230, 9063173), (2746, 7360115), (2870, 7042117), (3122, 6473695), (4715, 4286506), (5129, 3940510), (6601, 3061790), (6865, 2944046), (7805, 2589478), (9143, 2210530), (9430, 2143253), (9611, 2102890), (10258, 1970255), (13202, 1530895), (13730, 1472023), (15610, 1294739), (18286, 1105265), (19222, 1051445), (25645, 788102), (31579, 640010), (33005, 612358), (35903, 562930), (45715, 442106), (48055, 420578), (51290, 394051), (56293, 359030), (63158, 320005), (64001, 315790), (66010, 306179), (71806, 281465), (91430, 221053), (96110, 210289), (112586, 179515), (128002, 157895)]