20199012390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{19477}}^1$

素因数の和:19683

約数の個数: 128

約数和(自身を含む): 56545413120

約数和(自身を除く): 36346400730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 167, 207, 230, 270, 334, 345, 414, 501, 621, 690, 835, 1002, 1035, 1242, 1503, 1670, 2070, 2505, 3006, 3105, 3841, 4509, 5010, 6210, 7515, 7682, 9018, 11523, 15030, 19205, 19477, 22545, 23046, 34569, 38410, 38954, 45090, 57615, 58431, 69138, 97385, 103707, 115230, 116862, 172845, 175293, 194770, 207414, 292155, 345690, 350586, 447971, 518535, 525879, 584310, 876465, 895942, 1037070, 1051758, 1343913, 1752930, 2239855, 2629395, 2687826, 3252659, 4031739, 4479710, 5258790, 6505318, 6719565, 8063478, 9757977, 12095217, 13439130, 16263295, 19515954, 20158695, 24190434, 29273931, 32526590, 40317390, 48789885, 58547862, 60476085, 74811157, 87821793, 97579770, 120952170, 146369655, 149622314, 175643586, 224433471, 292739310, 374055785, 439108965, 448866942, 673300413, 748111570, 878217930, 1122167355, 1346600826, 2019901239, 2244334710, 3366502065, 4039802478, 6733004130, 10099506195, 20199012390]

約数ペア:

[(1, 20199012390), (2, 10099506195), (3, 6733004130), (5, 4039802478), (6, 3366502065), (9, 2244334710), (10, 2019901239), (15, 1346600826), (18, 1122167355), (23, 878217930), (27, 748111570), (30, 673300413), (45, 448866942), (46, 439108965), (54, 374055785), (69, 292739310), (90, 224433471), (115, 175643586), (135, 149622314), (138, 146369655), (167, 120952170), (207, 97579770), (230, 87821793), (270, 74811157), (334, 60476085), (345, 58547862), (414, 48789885), (501, 40317390), (621, 32526590), (690, 29273931), (835, 24190434), (1002, 20158695), (1035, 19515954), (1242, 16263295), (1503, 13439130), (1670, 12095217), (2070, 9757977), (2505, 8063478), (3006, 6719565), (3105, 6505318), (3841, 5258790), (4509, 4479710), (5010, 4031739), (6210, 3252659), (7515, 2687826), (7682, 2629395), (9018, 2239855), (11523, 1752930), (15030, 1343913), (19205, 1051758), (19477, 1037070), (22545, 895942), (23046, 876465), (34569, 584310), (38410, 525879), (38954, 518535), (45090, 447971), (57615, 350586), (58431, 345690), (69138, 292155), (97385, 207414), (103707, 194770), (115230, 175293), (116862, 172845)]